#apropos user |egrep -i "add|remove|"

NgMkSockNode(3), NgNameNode(3), NgSendMsg(3), NgSendAsciiMsg(3), NgSendMsgReply(3), NgRecvMsg(3), NgAllocRecvMsg(3), NgRecvAsciiMsg(3), NgAllocRecvAsciiMsg(3), NgSendData(3), NgRecvData(3), NgAllocRecvData(3), NgSetDebug(3), NgSetErrLog(3) - netgraph user library
adding_user(8)           - procedure for adding new users
adduser(8)               - command for adding new users
adduser.conf(5)          - adduser(8) configuration file
archive_write_disk_new(3), archive_write_disk_set_options(3), archive_write_disk_set_skip_file(3), archive_write_disk_set_group_lookup(3), archive_write_disk_set_standard_lookup(3), archive_write_disk_set_user_lookup(3), archive_write_header(3), archive_write_data(3), archive_write_finish_entry(3), archive_write_close(3), archive_write_finish(3) - functions for creating objects on disk
atm(8)                   - user configuration and display command for HARP ATM interface
audit_user(5)            - events to be audited for given users
authpf(8)                - authenticating gateway user shell
cam_open_device(3), cam_open_spec_device(3), cam_open_btl(3), cam_open_pass(3), cam_close_device(3), cam_close_spec_device(3), cam_getccb(3), cam_send_ccb(3), cam_freeccb(3), cam_path_string(3), cam_device_dup(3), cam_device_copy(3), cam_get_device(3) - CAM user library
chpass(1), chfn(1), chsh(1), ypchpass(1), ypchfn(1), ypchsh(1) - add or change user database information
cr_cansee(9)             - determine visibility of objects given their user credentials
cr_seeotheruids(9)       - determine visibility of objects given their user credentials
crontab(1)               - maintain crontab files for individual users (V3)
csio_build(3), csio_build_visit(3), csio_decode(3), csio_decode_visit(3), buff_decode(3), buff_decode_visit(3), csio_encode(3), csio_encode_visit(3), buff_encode_visit(3) - CAM user library SCSI buffer parsing routines
cuserid(3)               - get user name associated with effective UID
dconschat(8)             - user interface to dcons(4)
edquota(8)               - edit user quotas
environ(7)               - user environment
fetch(9), fubyte(9), fusword(9), fuswintr(9), fuword(9) - fetch data from user-space
finger(1)                - user information lookup program
fingerd(8)               - remote user information server
fmtcheck(3)              - sanitizes user-supplied printf(3)-style format string
form_field_userptr(3)    - associate application data with a form field
form_userptr(3)          - associate application data with a form item
ftpio(3), ftpLogin(3), ftpChdir(3), ftpErrno(3), ftpGetModtime(3), ftpGetSize(3), ftpGet(3), ftpPut(3), ftpBinary(3), ftpPassive(3), ftpVerbose(3), ftpGetURL(3), ftpPutURL(3), ftpLoginAf(3), ftpGetURLAf(3), ftpPutURLAf(3) - FTPIO user library
ftpusers(5), ftpchroot(5) - ftpd(8) access control file
geom_stats_open(3), geom_stats_close(3), geom_stats_resync(3), geom_stats_snapshot_get(3), geom_stats_snapshot_free(3), geom_stats_snapshot_timestamp(3), geom_stats_snapshot_reset(3), geom_stats_snapshot_next(3), gctl_get_handle(3), gctl_ro_param(3), gctl_rw_param(3), gctl_issue(3), gctl_free(3), gctl_dump(3) - userland API library for kernel GEOM subsystem
getbsize(3)              - get user block size
getcontext(3), setcontext(3) - get and set user thread context
getresgid(2), getresuid(2), setresgid(2), setresuid(2) - get or set real, effective and saved user or group ID
getuid(2), geteuid(2)    - get user identification
getusershell(3), setusershell(3), endusershell(3) - get valid user shells
hosts.equiv(5), .rhosts(5) - trusted remote host and user name data base
id(1)                    - return user identity
ipnat(8)                 - user interface to the NAT subsystem
ippool(8)                - user interface to the IPFilter pools
kernacc(9), useracc(9)   - check memory regions for accessibility
krb5_auth_context(3), krb5_auth_con_init(3), krb5_auth_con_free(3), krb5_auth_con_setflags(3), krb5_auth_con_getflags(3), krb5_auth_con_setaddrs(3), krb5_auth_con_setaddrs_from_fd(3), krb5_auth_con_getaddrs(3), krb5_auth_con_genaddrs(3), krb5_auth_con_getkey(3), krb5_auth_con_setkey(3), krb5_auth_con_getuserkey(3), krb5_auth_con_setuserkey(3), krb5_auth_con_getlocalsubkey(3), krb5_auth_con_setloca
krb5_kuserok(3)          - verifies if a principal can log in as a user
krb5_verify_user(3), krb5_verify_user_lrealm(3), krb5_verify_user_opt(3), krb5_verify_opt_init krb5_verify_opt_set_flags(3), krb5_verify_opt_set_service(3), krb5_verify_opt_set_secure(3), krb5_verify_opt_set_keytab(3) - Heimdal password verifying functions
kse(2)                   - kernel support for user threads
kvm_getprocs(3), kvm_getargv(3), kvm_getenvv(3) - access user process state
last(1)                  - indicate last logins of users and ttys
lastlogin(8)             - indicate last login time of users
libufs(3)                - operate on UFS file systems from userland
login_close(3), login_getcapbool(3), login_getcaplist(3), login_getcapnum(3), login_getcapstr(3), login_getcapsize(3), login_getcaptime(3), login_getclass(3), login_getclassbyname(3), login_getpwclass(3), login_getstyle(3), login_getuserclass(3), login_setcryptfmt(3) - functions for accessing the login class capabilities database
logname(1)               - display user's login name
mac_seeotheruids(4)      - simple policy controlling whether users see other users
makecontext(3), swapcontext(3) - modify and exchange user thread contexts
manpath(1)               - determine user's search path for man pages
menu_userptr(3)          - associate application data with a menu item
mesg(1)                  - display (do not display) messages from other users
mitem_userptr(3)         - associate application data with a menu item
ntp_gettime(2)           - NTP user application interface
openpam_borrow_cred(3)   - temporarily borrow user credentials
opiekeys(5), /etc/opiekeys(5) - OPIE database of user key information
opiepasswd(1)            - Change or set a user's password for the OPIE authentication system
pam_acct_mgmt(3), pam_authenticate(3), pam_chauthtok(3), pam_close_session(3), pam_end(3), pam_get_data(3), pam_get_item(3), pam_get_user(3), pam_getenv(3), pam_getenvlist(3), pam_open_session(3), pam_putenv(3), pam_set_data(3), pam_set_item(3), pam_setcred(3), pam_start(3), pam_strerror(3) - Pluggable Authentication Modules Library
pam_close_session(3)     - close an existing user session
pam_ftpusers(8)          - ftpusers PAM module
pam_get_user(3)          - retrieve user name
pam_open_session(3)      - open a user session
pam_setcred(3)           - modify / delete user credentials for an authentication service
passwd(1), yppasswd(1)   - modify a user's password
ppi(4)                   - user-space interface to ppbus parallel 'geek' port
ppp(8)                   - Point to Point Protocol (a.k.a. user-ppp)
pw(8)                    - create, remove, modify & display system users and groups
quot(8)                  - display disk space occupied by each user
quota.user(5), quota.group(5) - per file system quota database
rcmd(3), rresvport(3), iruserok(3), ruserok(3), rcmd_af(3), rresvport_af(3), iruserok_sa(3) - routines for returning a stream to a remote command
rcmdsh(3)                - return a stream to a remote command without superuser
readline(3)              - get a line from a user with editing
readpassphrase(3)        - get a passphrase from the user
rmuser(8)                - remove users from the system
rpc.rusersd(8)           - logged in users server
rpc.rwalld(8)            - write messages to users currently logged in server
rusers(1)                - who is logged in to machines on local network
rwall(1)                 - send a message to users logged on a host
setauuser(3), endauuser(3), getauuserent(3), getauuserent_r(3), getauusernam(3), getauusernam_r(3), au_user_mask(3), getfauditflags(3) - look up information from the audit_user database
setclasscontext(3), setclassenvironment(3), setclassresources(3), setusercontext(3) - functions for using the login class capabilities database
setreuid(2)              - set real and effective user ID's
setruid(3), setrgid(3)   - set user and group ID
setuid(2), seteuid(2), setgid(2), setegid(2) - set user and group ID
store(9), subyte(9), susword(9), suswintr(9), suword(9) - store data to user-space
su(1)                    - substitute user identity
suser(9), suser_cred(9)  - check if credentials have superuser privilege
talk(1)                  - talk to another user
talkd(8)                 - remote user communication server
telnet(1)                - user interface to the TELNET protocol
tty(1)                   - return user's terminal name
ucontext(3)              - user thread context
ucred(9), crget(9), crhold(9), crfree(9), crshared(9), crcopy(9), crdup(9), cru2x(9), cred_update_thread(9) - functions related to user credentials
udp(4)                   - Internet User Datagram Protocol
ufs_disk_close(3), ufs_disk_fillout(3), ufs_disk_fillout_blank(3), ufs_disk_write(3) - open and close userland UFS disks
users(1)                 - list current users
utrace(2)                - insert user record in ktrace log
vfs_suser(9)             - check if credentials have superuser privileges for a mount point
vslock(9), vsunlock(9)   - lock/unlock user space addresses in memory
wall(1)                  - write a message to users
which(1)                 - locate a program file in the user's path
whoami(1)                - display effective user id
write(1)                 - send a message to another user
SSL_CTX_set_default_passwd_cb(3), SSL_CTX_set_default_passwd_cb_userdata(3) - set passwd callback for encrypted PEM file handling
UI_new(3), UI_new_method(3), UI_free(3), UI_add_input_string(3), UI_dup_input_string(3), UI_add_verify_string(3), UI_dup_verify_string(3), UI_add_input_boolean(3), UI_dup_input_boolean(3), UI_add_info_string(3), UI_dup_info_string(3), UI_add_error_string(3), UI_dup_error_string(3), UI_construct_prompt(3), UI_add_user_data(3), UI_get0_user_data(3), UI_get0_result(3), UI_process(3), UI_ctrl(3), UI_s
des_read_password(3), des_read_2passwords(3), des_read_pw_string(3), des_read_pw(3) - Compatibility user interface functions

#apropos user |egrep -i "add|remove|"

NgMkSockNode(3), NgNameNode(3), NgSendMsg(3), NgSendAsciiMsg(3), NgSendMsgReply(3), NgRecvMsg(3), NgAllocRecvMsg(3), NgRecvAsciiMsg(3), NgAllocRecvAsciiMsg(3), NgSendData(3), NgRecvData(3), NgAllocRecvData(3), NgSetDebug(3), NgSetErrLog(3) - netgraph user library
adding_user(8)           - procedure for adding new users
adduser(8)               - command for adding new users
adduser.conf(5)          - adduser(8) configuration file
archive_write_disk_new(3), archive_write_disk_set_options(3), archive_write_disk_set_skip_file(3), archive_write_disk_set_group_lookup(3), archive_write_disk_set_standard_lookup(3), archive_write_disk_set_user_lookup(3), archive_write_header(3), archive_write_data(3), archive_write_finish_entry(3), archive_write_close(3), archive_write_finish(3) - functions for creating objects on disk
atm(8)                   - user configuration and display command for HARP ATM interface
audit_user(5)            - events to be audited for given users
authpf(8)                - authenticating gateway user shell
cam_open_device(3), cam_open_spec_device(3), cam_open_btl(3), cam_open_pass(3), cam_close_device(3), cam_close_spec_device(3), cam_getccb(3), cam_send_ccb(3), cam_freeccb(3), cam_path_string(3), cam_device_dup(3), cam_device_copy(3), cam_get_device(3) - CAM user library
chpass(1), chfn(1), chsh(1), ypchpass(1), ypchfn(1), ypchsh(1) - add or change user database information
cr_cansee(9)             - determine visibility of objects given their user credentials
cr_seeotheruids(9)       - determine visibility of objects given their user credentials
crontab(1)               - maintain crontab files for individual users (V3)
csio_build(3), csio_build_visit(3), csio_decode(3), csio_decode_visit(3), buff_decode(3), buff_decode_visit(3), csio_encode(3), csio_encode_visit(3), buff_encode_visit(3) - CAM user library SCSI buffer parsing routines
cuserid(3)               - get user name associated with effective UID
dconschat(8)             - user interface to dcons(4)
edquota(8)               - edit user quotas
environ(7)               - user environment
fetch(9), fubyte(9), fusword(9), fuswintr(9), fuword(9) - fetch data from user-space
finger(1)                - user information lookup program
fingerd(8)               - remote user information server
fmtcheck(3)              - sanitizes user-supplied printf(3)-style format string
form_field_userptr(3)    - associate application data with a form field
form_userptr(3)          - associate application data with a form item
ftpio(3), ftpLogin(3), ftpChdir(3), ftpErrno(3), ftpGetModtime(3), ftpGetSize(3), ftpGet(3), ftpPut(3), ftpBinary(3), ftpPassive(3), ftpVerbose(3), ftpGetURL(3), ftpPutURL(3), ftpLoginAf(3), ftpGetURLAf(3), ftpPutURLAf(3) - FTPIO user library
ftpusers(5), ftpchroot(5) - ftpd(8) access control file
geom_stats_open(3), geom_stats_close(3), geom_stats_resync(3), geom_stats_snapshot_get(3), geom_stats_snapshot_free(3), geom_stats_snapshot_timestamp(3), geom_stats_snapshot_reset(3), geom_stats_snapshot_next(3), gctl_get_handle(3), gctl_ro_param(3), gctl_rw_param(3), gctl_issue(3), gctl_free(3), gctl_dump(3) - userland API library for kernel GEOM subsystem
getbsize(3)              - get user block size
getcontext(3), setcontext(3) - get and set user thread context
getresgid(2), getresuid(2), setresgid(2), setresuid(2) - get or set real, effective and saved user or group ID
getuid(2), geteuid(2)    - get user identification
getusershell(3), setusershell(3), endusershell(3) - get valid user shells
hosts.equiv(5), .rhosts(5) - trusted remote host and user name data base
id(1)                    - return user identity
ipnat(8)                 - user interface to the NAT subsystem
ippool(8)                - user interface to the IPFilter pools
kernacc(9), useracc(9)   - check memory regions for accessibility
krb5_auth_context(3), krb5_auth_con_init(3), krb5_auth_con_free(3), krb5_auth_con_setflags(3), krb5_auth_con_getflags(3), krb5_auth_con_setaddrs(3), krb5_auth_con_setaddrs_from_fd(3), krb5_auth_con_getaddrs(3), krb5_auth_con_genaddrs(3), krb5_auth_con_getkey(3), krb5_auth_con_setkey(3), krb5_auth_con_getuserkey(3), krb5_auth_con_setuserkey(3), krb5_auth_con_getlocalsubkey(3), krb5_auth_con_setloca
krb5_kuserok(3)          - verifies if a principal can log in as a user
krb5_verify_user(3), krb5_verify_user_lrealm(3), krb5_verify_user_opt(3), krb5_verify_opt_init krb5_verify_opt_set_flags(3), krb5_verify_opt_set_service(3), krb5_verify_opt_set_secure(3), krb5_verify_opt_set_keytab(3) - Heimdal password verifying functions
kse(2)                   - kernel support for user threads
kvm_getprocs(3), kvm_getargv(3), kvm_getenvv(3) - access user process state
last(1)                  - indicate last logins of users and ttys
lastlogin(8)             - indicate last login time of users
libufs(3)                - operate on UFS file systems from userland
login_close(3), login_getcapbool(3), login_getcaplist(3), login_getcapnum(3), login_getcapstr(3), login_getcapsize(3), login_getcaptime(3), login_getclass(3), login_getclassbyname(3), login_getpwclass(3), login_getstyle(3), login_getuserclass(3), login_setcryptfmt(3) - functions for accessing the login class capabilities database
logname(1)               - display user's login name
mac_seeotheruids(4)      - simple policy controlling whether users see other users
makecontext(3), swapcontext(3) - modify and exchange user thread contexts
manpath(1)               - determine user's search path for man pages
menu_userptr(3)          - associate application data with a menu item
mesg(1)                  - display (do not display) messages from other users
mitem_userptr(3)         - associate application data with a menu item
ntp_gettime(2)           - NTP user application interface
openpam_borrow_cred(3)   - temporarily borrow user credentials
opiekeys(5), /etc/opiekeys(5) - OPIE database of user key information
opiepasswd(1)            - Change or set a user's password for the OPIE authentication system
pam_acct_mgmt(3), pam_authenticate(3), pam_chauthtok(3), pam_close_session(3), pam_end(3), pam_get_data(3), pam_get_item(3), pam_get_user(3), pam_getenv(3), pam_getenvlist(3), pam_open_session(3), pam_putenv(3), pam_set_data(3), pam_set_item(3), pam_setcred(3), pam_start(3), pam_strerror(3) - Pluggable Authentication Modules Library
pam_close_session(3)     - close an existing user session
pam_ftpusers(8)          - ftpusers PAM module
pam_get_user(3)          - retrieve user name
pam_open_session(3)      - open a user session
pam_setcred(3)           - modify / delete user credentials for an authentication service
passwd(1), yppasswd(1)   - modify a user's password
ppi(4)                   - user-space interface to ppbus parallel 'geek' port
ppp(8)                   - Point to Point Protocol (a.k.a. user-ppp)
pw(8)                    - create, remove, modify & display system users and groups
quot(8)                  - display disk space occupied by each user
quota.user(5), quota.group(5) - per file system quota database
rcmd(3), rresvport(3), iruserok(3), ruserok(3), rcmd_af(3), rresvport_af(3), iruserok_sa(3) - routines for returning a stream to a remote command
rcmdsh(3)                - return a stream to a remote command without superuser
readline(3)              - get a line from a user with editing
readpassphrase(3)        - get a passphrase from the user
rmuser(8)                - remove users from the system
rpc.rusersd(8)           - logged in users server
rpc.rwalld(8)            - write messages to users currently logged in server
rusers(1)                - who is logged in to machines on local network
rwall(1)                 - send a message to users logged on a host
setauuser(3), endauuser(3), getauuserent(3), getauuserent_r(3), getauusernam(3), getauusernam_r(3), au_user_mask(3), getfauditflags(3) - look up information from the audit_user database
setclasscontext(3), setclassenvironment(3), setclassresources(3), setusercontext(3) - functions for using the login class capabilities database
setreuid(2)              - set real and effective user ID's
setruid(3), setrgid(3)   - set user and group ID
setuid(2), seteuid(2), setgid(2), setegid(2) - set user and group ID
store(9), subyte(9), susword(9), suswintr(9), suword(9) - store data to user-space
su(1)                    - substitute user identity
suser(9), suser_cred(9)  - check if credentials have superuser privilege
talk(1)                  - talk to another user
talkd(8)                 - remote user communication server
telnet(1)                - user interface to the TELNET protocol
tty(1)                   - return user's terminal name
ucontext(3)              - user thread context
ucred(9), crget(9), crhold(9), crfree(9), crshared(9), crcopy(9), crdup(9), cru2x(9), cred_update_thread(9) - functions related to user credentials
udp(4)                   - Internet User Datagram Protocol
ufs_disk_close(3), ufs_disk_fillout(3), ufs_disk_fillout_blank(3), ufs_disk_write(3) - open and close userland UFS disks
users(1)                 - list current users
utrace(2)                - insert user record in ktrace log
vfs_suser(9)             - check if credentials have superuser privileges for a mount point
vslock(9), vsunlock(9)   - lock/unlock user space addresses in memory
wall(1)                  - write a message to users
which(1)                 - locate a program file in the user's path
whoami(1)                - display effective user id
write(1)                 - send a message to another user
SSL_CTX_set_default_passwd_cb(3), SSL_CTX_set_default_passwd_cb_userdata(3) - set passwd callback for encrypted PEM file handling
UI_new(3), UI_new_method(3), UI_free(3), UI_add_input_string(3), UI_dup_input_string(3), UI_add_verify_string(3), UI_dup_verify_string(3), UI_add_input_boolean(3), UI_dup_input_boolean(3), UI_add_info_string(3), UI_dup_info_string(3), UI_add_error_string(3), UI_dup_error_string(3), UI_construct_prompt(3), UI_add_user_data(3), UI_get0_user_data(3), UI_get0_result(3), UI_process(3), UI_ctrl(3), UI_s
des_read_password(3), des_read_2passwords(3), des_read_pw_string(3), des_read_pw(3) - Compatibility user interface functions

#apropos user |egrep -i "add|remove|"

NgMkSockNode(3), NgNameNode(3), NgSendMsg(3), NgSendAsciiMsg(3), NgSendMsgReply(3), NgRecvMsg(3), NgAllocRecvMsg(3), NgRecvAsciiMsg(3), NgAllocRecvAsciiMsg(3), NgSendData(3), NgRecvData(3), NgAllocRecvData(3), NgSetDebug(3), NgSetErrLog(3) - netgraph user library
adding_user(8)           - procedure for adding new users
adduser(8)               - command for adding new users
adduser.conf(5)          - adduser(8) configuration file
archive_write_disk_new(3), archive_write_disk_set_options(3), archive_write_disk_set_skip_file(3), archive_write_disk_set_group_lookup(3), archive_write_disk_set_standard_lookup(3), archive_write_disk_set_user_lookup(3), archive_write_header(3), archive_write_data(3), archive_write_finish_entry(3), archive_write_close(3), archive_write_finish(3) - functions for creating objects on disk
atm(8)                   - user configuration and display command for HARP ATM interface
audit_user(5)            - events to be audited for given users
authpf(8)                - authenticating gateway user shell
cam_open_device(3), cam_open_spec_device(3), cam_open_btl(3), cam_open_pass(3), cam_close_device(3), cam_close_spec_device(3), cam_getccb(3), cam_send_ccb(3), cam_freeccb(3), cam_path_string(3), cam_device_dup(3), cam_device_copy(3), cam_get_device(3) - CAM user library
chpass(1), chfn(1), chsh(1), ypchpass(1), ypchfn(1), ypchsh(1) - add or change user database information
cr_cansee(9)             - determine visibility of objects given their user credentials
cr_seeotheruids(9)       - determine visibility of objects given their user credentials
crontab(1)               - maintain crontab files for individual users (V3)
csio_build(3), csio_build_visit(3), csio_decode(3), csio_decode_visit(3), buff_decode(3), buff_decode_visit(3), csio_encode(3), csio_encode_visit(3), buff_encode_visit(3) - CAM user library SCSI buffer parsing routines
cuserid(3)               - get user name associated with effective UID
dconschat(8)             - user interface to dcons(4)
edquota(8)               - edit user quotas
environ(7)               - user environment
fetch(9), fubyte(9), fusword(9), fuswintr(9), fuword(9) - fetch data from user-space
finger(1)                - user information lookup program
fingerd(8)               - remote user information server
fmtcheck(3)              - sanitizes user-supplied printf(3)-style format string
form_field_userptr(3)    - associate application data with a form field
form_userptr(3)          - associate application data with a form item
ftpio(3), ftpLogin(3), ftpChdir(3), ftpErrno(3), ftpGetModtime(3), ftpGetSize(3), ftpGet(3), ftpPut(3), ftpBinary(3), ftpPassive(3), ftpVerbose(3), ftpGetURL(3), ftpPutURL(3), ftpLoginAf(3), ftpGetURLAf(3), ftpPutURLAf(3) - FTPIO user library
ftpusers(5), ftpchroot(5) - ftpd(8) access control file
geom_stats_open(3), geom_stats_close(3), geom_stats_resync(3), geom_stats_snapshot_get(3), geom_stats_snapshot_free(3), geom_stats_snapshot_timestamp(3), geom_stats_snapshot_reset(3), geom_stats_snapshot_next(3), gctl_get_handle(3), gctl_ro_param(3), gctl_rw_param(3), gctl_issue(3), gctl_free(3), gctl_dump(3) - userland API library for kernel GEOM subsystem
getbsize(3)              - get user block size
getcontext(3), setcontext(3) - get and set user thread context
getresgid(2), getresuid(2), setresgid(2), setresuid(2) - get or set real, effective and saved user or group ID
getuid(2), geteuid(2)    - get user identification
getusershell(3), setusershell(3), endusershell(3) - get valid user shells
hosts.equiv(5), .rhosts(5) - trusted remote host and user name data base
id(1)                    - return user identity
ipnat(8)                 - user interface to the NAT subsystem
ippool(8)                - user interface to the IPFilter pools
kernacc(9), useracc(9)   - check memory regions for accessibility
krb5_auth_context(3), krb5_auth_con_init(3), krb5_auth_con_free(3), krb5_auth_con_setflags(3), krb5_auth_con_getflags(3), krb5_auth_con_setaddrs(3), krb5_auth_con_setaddrs_from_fd(3), krb5_auth_con_getaddrs(3), krb5_auth_con_genaddrs(3), krb5_auth_con_getkey(3), krb5_auth_con_setkey(3), krb5_auth_con_getuserkey(3), krb5_auth_con_setuserkey(3), krb5_auth_con_getlocalsubkey(3), krb5_auth_con_setloca
krb5_kuserok(3)          - verifies if a principal can log in as a user
krb5_verify_user(3), krb5_verify_user_lrealm(3), krb5_verify_user_opt(3), krb5_verify_opt_init krb5_verify_opt_set_flags(3), krb5_verify_opt_set_service(3), krb5_verify_opt_set_secure(3), krb5_verify_opt_set_keytab(3) - Heimdal password verifying functions
kse(2)                   - kernel support for user threads
kvm_getprocs(3), kvm_getargv(3), kvm_getenvv(3) - access user process state
last(1)                  - indicate last logins of users and ttys
lastlogin(8)             - indicate last login time of users
libufs(3)                - operate on UFS file systems from userland
login_close(3), login_getcapbool(3), login_getcaplist(3), login_getcapnum(3), login_getcapstr(3), login_getcapsize(3), login_getcaptime(3), login_getclass(3), login_getclassbyname(3), login_getpwclass(3), login_getstyle(3), login_getuserclass(3), login_setcryptfmt(3) - functions for accessing the login class capabilities database
logname(1)               - display user's login name
mac_seeotheruids(4)      - simple policy controlling whether users see other users
makecontext(3), swapcontext(3) - modify and exchange user thread contexts
manpath(1)               - determine user's search path for man pages
menu_userptr(3)          - associate application data with a menu item
mesg(1)                  - display (do not display) messages from other users
mitem_userptr(3)         - associate application data with a menu item
ntp_gettime(2)           - NTP user application interface
openpam_borrow_cred(3)   - temporarily borrow user credentials
opiekeys(5), /etc/opiekeys(5) - OPIE database of user key information
opiepasswd(1)            - Change or set a user's password for the OPIE authentication system
pam_acct_mgmt(3), pam_authenticate(3), pam_chauthtok(3), pam_close_session(3), pam_end(3), pam_get_data(3), pam_get_item(3), pam_get_user(3), pam_getenv(3), pam_getenvlist(3), pam_open_session(3), pam_putenv(3), pam_set_data(3), pam_set_item(3), pam_setcred(3), pam_start(3), pam_strerror(3) - Pluggable Authentication Modules Library
pam_close_session(3)     - close an existing user session
pam_ftpusers(8)          - ftpusers PAM module
pam_get_user(3)          - retrieve user name
pam_open_session(3)      - open a user session
pam_setcred(3)           - modify / delete user credentials for an authentication service
passwd(1), yppasswd(1)   - modify a user's password
ppi(4)                   - user-space interface to ppbus parallel 'geek' port
ppp(8)                   - Point to Point Protocol (a.k.a. user-ppp)
pw(8)                    - create, remove, modify & display system users and groups
quot(8)                  - display disk space occupied by each user
quota.user(5), quota.group(5) - per file system quota database
rcmd(3), rresvport(3), iruserok(3), ruserok(3), rcmd_af(3), rresvport_af(3), iruserok_sa(3) - routines for returning a stream to a remote command
rcmdsh(3)                - return a stream to a remote command without superuser
readline(3)              - get a line from a user with editing
readpassphrase(3)        - get a passphrase from the user
rmuser(8)                - remove users from the system
rpc.rusersd(8)           - logged in users server
rpc.rwalld(8)            - write messages to users currently logged in server
rusers(1)                - who is logged in to machines on local network
rwall(1)                 - send a message to users logged on a host
setauuser(3), endauuser(3), getauuserent(3), getauuserent_r(3), getauusernam(3), getauusernam_r(3), au_user_mask(3), getfauditflags(3) - look up information from the audit_user database
setclasscontext(3), setclassenvironment(3), setclassresources(3), setusercontext(3) - functions for using the login class capabilities database
setreuid(2)              - set real and effective user ID's
setruid(3), setrgid(3)   - set user and group ID
setuid(2), seteuid(2), setgid(2), setegid(2) - set user and group ID
store(9), subyte(9), susword(9), suswintr(9), suword(9) - store data to user-space
su(1)                    - substitute user identity
suser(9), suser_cred(9)  - check if credentials have superuser privilege
talk(1)                  - talk to another user
talkd(8)                 - remote user communication server
telnet(1)                - user interface to the TELNET protocol
tty(1)                   - return user's terminal name
ucontext(3)              - user thread context
ucred(9), crget(9), crhold(9), crfree(9), crshared(9), crcopy(9), crdup(9), cru2x(9), cred_update_thread(9) - functions related to user credentials
udp(4)                   - Internet User Datagram Protocol
ufs_disk_close(3), ufs_disk_fillout(3), ufs_disk_fillout_blank(3), ufs_disk_write(3) - open and close userland UFS disks
users(1)                 - list current users
utrace(2)                - insert user record in ktrace log
vfs_suser(9)             - check if credentials have superuser privileges for a mount point
vslock(9), vsunlock(9)   - lock/unlock user space addresses in memory
wall(1)                  - write a message to users
which(1)                 - locate a program file in the user's path
whoami(1)                - display effective user id
write(1)                 - send a message to another user
SSL_CTX_set_default_passwd_cb(3), SSL_CTX_set_default_passwd_cb_userdata(3) - set passwd callback for encrypted PEM file handling
UI_new(3), UI_new_method(3), UI_free(3), UI_add_input_string(3), UI_dup_input_string(3), UI_add_verify_string(3), UI_dup_verify_string(3), UI_add_input_boolean(3), UI_dup_input_boolean(3), UI_add_info_string(3), UI_dup_info_string(3), UI_add_error_string(3), UI_dup_error_string(3), UI_construct_prompt(3), UI_add_user_data(3), UI_get0_user_data(3), UI_get0_result(3), UI_process(3), UI_ctrl(3), UI_s
des_read_password(3), des_read_2passwords(3), des_read_pw_string(3), des_read_pw(3) - Compatibility user interface functions

NgMkSockNode(3), NgNameNode(3), NgSendMsg(3), NgSendAsciiMsg(3), NgSendMsgReply(3), NgRecvMsg(3), NgAllocRecvMsg(3), NgRecvAsciiMsg(3), NgAllocRecvAsciiMsg(3), NgSendData(3), NgRecvData(3), NgAllocRecvData(3), NgSetDebug(3), NgSetErrLog(3) - netgraph user library
adding_user(8)           - procedure for adding new users
adduser(8)               - command for adding new users
adduser.conf(5)          - adduser(8) configuration file
archive_write_disk_new(3), archive_write_disk_set_options(3), archive_write_disk_set_skip_file(3), archive_write_disk_set_group_lookup(3), archive_write_disk_set_standard_lookup(3), archive_write_disk_set_user_lookup(3), archive_write_header(3), archive_write_data(3), archive_write_finish_entry(3), archive_write_close(3), archive_write_finish(3) - functions for creating objects on disk
atm(8)                   - user configuration and display command for HARP ATM interface
audit_user(5)            - events to be audited for given users
authpf(8)                - authenticating gateway user shell
cam_open_device(3), cam_open_spec_device(3), cam_open_btl(3), cam_open_pass(3), cam_close_device(3), cam_close_spec_device(3), cam_getccb(3), cam_send_ccb(3), cam_freeccb(3), cam_path_string(3), cam_device_dup(3), cam_device_copy(3), cam_get_device(3) - CAM user library
chpass(1), chfn(1), chsh(1), ypchpass(1), ypchfn(1), ypchsh(1) - add or change user database information
cr_cansee(9)             - determine visibility of objects given their user credentials
cr_seeotheruids(9)       - determine visibility of objects given their user credentials
crontab(1)               - maintain crontab files for individual users (V3)
csio_build(3), csio_build_visit(3), csio_decode(3), csio_decode_visit(3), buff_decode(3), buff_decode_visit(3), csio_encode(3), csio_encode_visit(3), buff_encode_visit(3) - CAM user library SCSI buffer parsing routines
cuserid(3)               - get user name associated with effective UID
dconschat(8)             - user interface to dcons(4)
edquota(8)               - edit user quotas
environ(7)               - user environment
fetch(9), fubyte(9), fusword(9), fuswintr(9), fuword(9) - fetch data from user-space
finger(1)                - user information lookup program
fingerd(8)               - remote user information server
fmtcheck(3)              - sanitizes user-supplied printf(3)-style format string
form_field_userptr(3)    - associate application data with a form field
form_userptr(3)          - associate application data with a form item
ftpio(3), ftpLogin(3), ftpChdir(3), ftpErrno(3), ftpGetModtime(3), ftpGetSize(3), ftpGet(3), ftpPut(3), ftpBinary(3), ftpPassive(3), ftpVerbose(3), ftpGetURL(3), ftpPutURL(3), ftpLoginAf(3), ftpGetURLAf(3), ftpPutURLAf(3) - FTPIO user library
ftpusers(5), ftpchroot(5) - ftpd(8) access control file
geom_stats_open(3), geom_stats_close(3), geom_stats_resync(3), geom_stats_snapshot_get(3), geom_stats_snapshot_free(3), geom_stats_snapshot_timestamp(3), geom_stats_snapshot_reset(3), geom_stats_snapshot_next(3), gctl_get_handle(3), gctl_ro_param(3), gctl_rw_param(3), gctl_issue(3), gctl_free(3), gctl_dump(3) - userland API library for kernel GEOM subsystem
getbsize(3)              - get user block size
getcontext(3), setcontext(3) - get and set user thread context
getresgid(2), getresuid(2), setresgid(2), setresuid(2) - get or set real, effective and saved user or group ID
getuid(2), geteuid(2)    - get user identification
getusershell(3), setusershell(3), endusershell(3) - get valid user shells
hosts.equiv(5), .rhosts(5) - trusted remote host and user name data base
id(1)                    - return user identity
ipnat(8)                 - user interface to the NAT subsystem
ippool(8)                - user interface to the IPFilter pools
kernacc(9), useracc(9)   - check memory regions for accessibility
krb5_auth_context(3), krb5_auth_con_init(3), krb5_auth_con_free(3), krb5_auth_con_setflags(3), krb5_auth_con_getflags(3), krb5_auth_con_setaddrs(3), krb5_auth_con_setaddrs_from_fd(3), krb5_auth_con_getaddrs(3), krb5_auth_con_genaddrs(3), krb5_auth_con_getkey(3), krb5_auth_con_setkey(3), krb5_auth_con_getuserkey(3), krb5_auth_con_setuserkey(3), krb5_auth_con_getlocalsubkey(3), krb5_auth_con_setloca
krb5_kuserok(3)          - verifies if a principal can log in as a user
krb5_verify_user(3), krb5_verify_user_lrealm(3), krb5_verify_user_opt(3), krb5_verify_opt_init krb5_verify_opt_set_flags(3), krb5_verify_opt_set_service(3), krb5_verify_opt_set_secure(3), krb5_verify_opt_set_keytab(3) - Heimdal password verifying functions
kse(2)                   - kernel support for user threads
kvm_getprocs(3), kvm_getargv(3), kvm_getenvv(3) - access user process state
last(1)                  - indicate last logins of users and ttys
lastlogin(8)             - indicate last login time of users
libufs(3)                - operate on UFS file systems from userland
login_close(3), login_getcapbool(3), login_getcaplist(3), login_getcapnum(3), login_getcapstr(3), login_getcapsize(3), login_getcaptime(3), login_getclass(3), login_getclassbyname(3), login_getpwclass(3), login_getstyle(3), login_getuserclass(3), login_setcryptfmt(3) - functions for accessing the login class capabilities database
logname(1)               - display user's login name
mac_seeotheruids(4)      - simple policy controlling whether users see other users
makecontext(3), swapcontext(3) - modify and exchange user thread contexts
manpath(1)               - determine user's search path for man pages
menu_userptr(3)          - associate application data with a menu item
mesg(1)                  - display (do not display) messages from other users
mitem_userptr(3)         - associate application data with a menu item
ntp_gettime(2)           - NTP user application interface
openpam_borrow_cred(3)   - temporarily borrow user credentials
opiekeys(5), /etc/opiekeys(5) - OPIE database of user key information
opiepasswd(1)            - Change or set a user's password for the OPIE authentication system
pam_acct_mgmt(3), pam_authenticate(3), pam_chauthtok(3), pam_close_session(3), pam_end(3), pam_get_data(3), pam_get_item(3), pam_get_user(3), pam_getenv(3), pam_getenvlist(3), pam_open_session(3), pam_putenv(3), pam_set_data(3), pam_set_item(3), pam_setcred(3), pam_start(3), pam_strerror(3) - Pluggable Authentication Modules Library
pam_close_session(3)     - close an existing user session
pam_ftpusers(8)          - ftpusers PAM module
pam_get_user(3)          - retrieve user name
pam_open_session(3)      - open a user session
pam_setcred(3)           - modify / delete user credentials for an authentication service
passwd(1), yppasswd(1)   - modify a user's password
ppi(4)                   - user-space interface to ppbus parallel 'geek' port
ppp(8)                   - Point to Point Protocol (a.k.a. user-ppp)
pw(8)                    - create, remove, modify & display system users and groups
quot(8)                  - display disk space occupied by each user
quota.user(5), quota.group(5) - per file system quota database
rcmd(3), rresvport(3), iruserok(3), ruserok(3), rcmd_af(3), rresvport_af(3), iruserok_sa(3) - routines for returning a stream to a remote command
rcmdsh(3)                - return a stream to a remote command without superuser
readline(3)              - get a line from a user with editing
readpassphrase(3)        - get a passphrase from the user
rmuser(8)                - remove users from the system
rpc.rusersd(8)           - logged in users server
rpc.rwalld(8)            - write messages to users currently logged in server
rusers(1)                - who is logged in to machines on local network
rwall(1)                 - send a message to users logged on a host
setauuser(3), endauuser(3), getauuserent(3), getauuserent_r(3), getauusernam(3), getauusernam_r(3), au_user_mask(3), getfauditflags(3) - look up information from the audit_user database
setclasscontext(3), setclassenvironment(3), setclassresources(3), setusercontext(3) - functions for using the login class capabilities database
setreuid(2)              - set real and effective user ID's
setruid(3), setrgid(3)   - set user and group ID
setuid(2), seteuid(2), setgid(2), setegid(2) - set user and group ID
store(9), subyte(9), susword(9), suswintr(9), suword(9) - store data to user-space
su(1)                    - substitute user identity
suser(9), suser_cred(9)  - check if credentials have superuser privilege
talk(1)                  - talk to another user
talkd(8)                 - remote user communication server
telnet(1)                - user interface to the TELNET protocol
tty(1)                   - return user's terminal name
ucontext(3)              - user thread context
ucred(9), crget(9), crhold(9), crfree(9), crshared(9), crcopy(9), crdup(9), cru2x(9), cred_update_thread(9) - functions related to user credentials
udp(4)                   - Internet User Datagram Protocol
ufs_disk_close(3), ufs_disk_fillout(3), ufs_disk_fillout_blank(3), ufs_disk_write(3) - open and close userland UFS disks
users(1)                 - list current users
utrace(2)                - insert user record in ktrace log
vfs_suser(9)             - check if credentials have superuser privileges for a mount point
vslock(9), vsunlock(9)   - lock/unlock user space addresses in memory
wall(1)                  - write a message to users
which(1)                 - locate a program file in the user's path
whoami(1)                - display effective user id
write(1)                 - send a message to another user
SSL_CTX_set_default_passwd_cb(3), SSL_CTX_set_default_passwd_cb_userdata(3) - set passwd callback for encrypted PEM file handling
UI_new(3), UI_new_method(3), UI_free(3), UI_add_input_string(3), UI_dup_input_string(3), UI_add_verify_string(3), UI_dup_verify_string(3), UI_add_input_boolean(3), UI_dup_input_boolean(3), UI_add_info_string(3), UI_dup_info_string(3), UI_add_error_string(3), UI_dup_error_string(3), UI_construct_prompt(3), UI_add_user_data(3), UI_get0_user_data(3), UI_get0_result(3), UI_process(3), UI_ctrl(3), UI_s
des_read_password(3), des_read_2passwords(3), des_read_pw_string(3), des_read_pw(3) - Compatibility user interface functions