/l3/users/28-09-2015/NT-Ladm/debian1.net.nt/root :1 :2 :3 :4 :5 :6 :7 :8 :9 :10 |
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#ls -l
итого 56 -rw-r--r-- 1 root root 2646 Сен 29 11:22 all -rw-r--r-- 1 root root 354 Сен 29 11:21 errors -rw-r--r-- 1 root root 5268 Окт 13 2014 install -rw-r--r-- 1 root root 5268 Сен 29 16:22 install.backup -rw-r--r-- 1 root root 5261 Сен 29 14:00 install.save -rwxr--r-- 1 root root 41 Сен 29 11:00 privet.sh -rw-r--r-- 1 root root 5358 Сен 29 11:31 report -rw-r----- 1 root root 1029 Сен 28 14:24 shadow -rwxr--r-- 1 root root 245 Сен 29 15:16 shell.sh -rwxr--r-- 1 root root 145 Сен 29 16:59 wordbook.sh |
#chmod u-x privet.sh
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#ls -l
итого 56 -rw-r--r-- 1 root root 2646 Сен 29 11:22 all -rw-r--r-- 1 root root 354 Сен 29 11:21 errors -rw-r--r-- 1 root root 5268 Окт 13 2014 install -rw-r--r-- 1 root root 5268 Сен 29 16:22 install.backup -rw-r--r-- 1 root root 5261 Сен 29 14:00 install.save -rw-r--r-- 1 root root 41 Сен 29 11:00 privet.sh -rw-r--r-- 1 root root 5358 Сен 29 11:31 report -rw-r----- 1 root root 1029 Сен 28 14:24 shadow -rwxr--r-- 1 root root 245 Сен 29 15:16 shell.sh -rwxr--r-- 1 root root 145 Сен 29 16:59 wordbook.sh |
#test -x privet.sh
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#echo $?
1 |
#test -x shell.sh
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#echo $?
0 |
#[ -x shell.sh ]
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#echo $?
0 |
#help
GNU bash, version 4.2.37(1)-release (x86_64-pc-linux-gnu) These shell commands are defined internally. Type `help' to see this list. Type `help name' to find out more about the function `name'. Use `info bash' to find out more about the shell in general. Use `man -k' or `info' to find out more about commands not in this list. A star (*) next to a name means that the command is disabled. job_spec [&] history [-c] [-d offset] [n] or history -anrw [filena> (( expression )) if COMMANDS; then COMMANDS; [ elif COMMANDS; then COM> . filename [arguments] jobs [-lnprs] [jobspec ...] or jobs -x command [args]> : kill [-s sigspec | -n signum | -sigspec] pid | jobspe> ... export [-fn] [name[=value] ...] or export -p typeset [-aAfFgilrtux] [-p] name[=value] ... false ulimit [-SHacdefilmnpqrstuvx] [limit] fc [-e ename] [-lnr] [first] [last] or fc -s [pat=rep]> umask [-p] [-S] [mode] fg [job_spec] unalias [-a] name [name ...] for NAME [in WORDS ... ] ; do COMMANDS; done unset [-f] [-v] [name ...] for (( exp1; exp2; exp3 )); do COMMANDS; done until COMMANDS; do COMMANDS; done function name { COMMANDS ; } or name () { COMMANDS ; }> variables - Names and meanings of some shell variable> getopts optstring name [arg] wait [id] hash [-lr] [-p pathname] [-dt] [name ...] while COMMANDS; do COMMANDS; done help [-dms] [pattern ...] { COMMANDS ; } |
#top
top - 10:48:31 up 4 days, 17:26, 4 users, load average: 1,00, 1,01, 1,05 Tasks: 80 total, 2 running, 77 sleeping, 1 stopped, 0 zombie %Cpu(s): 0,0 us, 0,3 sy, 66,7 ni, 0,0 id, 0,0 wa, 0,0 hi, 0,0 si, 33,0 st KiB Mem: 507368 total, 501532 used, 5836 free, 78164 buffers KiB Swap: 0 total, 0 used, 0 free, 286356 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 5748 root 39 19 20628 6372 844 R 99,5 1,3 2613:20 john 542 root 20 0 0 0 0 S 0,3 0,0 0:00.17 kworker/0:0 549 root 20 0 71292 3716 2916 S 0,3 0,7 0:00.23 sshd 845 root 20 0 18168 476 316 S 0,3 0,1 0:00.03 script ... 867 user 20 0 18164 840 684 S 0,0 0,2 0:00.14 script 938 user 20 0 18168 480 316 S 0,0 0,1 0:00.00 script 939 user 20 0 22184 2868 1708 S 0,0 0,6 0:00.09 l3script 1449 root 20 0 25396 1604 1136 R 0,0 0,3 0:00.03 top 1908 root 20 0 52772 1632 1200 S 0,0 0,3 0:00.10 rsyslogd 1945 root 20 0 4116 656 512 S 0,0 0,1 0:00.00 acpid 1987 root 20 0 22520 1072 828 S 0,0 0,2 0:02.34 cron 2293 root 20 0 49932 1252 640 S 0,0 0,2 0:00.01 sshd 2317 root 20 0 18368 968 812 S 0,0 0,2 0:00.13 getty 2318 root 20 0 18368 972 812 S 0,0 0,2 0:00.00 getty |
#wait 549
![]() l3script: wait: pid 549 is not a child of this shell |
#top
top - 10:48:56 up 4 days, 17:26, 4 users, load average: 1,07, 1,03, 1,05 Tasks: 80 total, 3 running, 76 sleeping, 1 stopped, 0 zombie %Cpu(s): 0,4 us, 0,0 sy, 21,0 ni, 59,3 id, 0,0 wa, 0,0 hi, 0,0 si, 19,3 st KiB Mem: 507368 total, 500436 used, 6932 free, 78188 buffers KiB Swap: 0 total, 0 used, 0 free, 285704 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 5748 root 39 19 20628 6372 844 R 97,3 1,3 2613:43 john 1 root 20 0 10648 684 568 S 0,0 0,1 0:07.14 init 2 root 20 0 0 0 0 S 0,0 0,0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0,0 0,0 0:00.32 ksoftirqd/0 ... 846 root 20 0 21700 2360 1688 S 0,0 0,5 0:00.29 l3script 867 user 20 0 18164 840 684 S 0,0 0,2 0:00.14 script 938 user 20 0 18168 480 316 S 0,0 0,1 0:00.00 script 939 user 20 0 22184 2868 1708 S 0,0 0,6 0:00.09 l3script 1464 root 20 0 25424 1544 1096 R 0,0 0,3 0:00.00 top 1908 root 20 0 52772 1632 1200 S 0,0 0,3 0:00.10 rsyslogd 1945 root 20 0 4116 656 512 S 0,0 0,1 0:00.00 acpid 1987 root 20 0 22520 1072 828 S 0,0 0,2 0:02.34 cron 2293 root 20 0 49932 1252 640 S 0,0 0,2 0:00.01 sshd 2317 root 20 0 18368 968 812 S 0,0 0,2 0:00.13 getty |
#wait 5748
![]() l3script: wait: pid 5748 is not a child of this shell |
#kill
![]() kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec] |
#kill 5748
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#top
top - 10:49:41 up 4 days, 17:27, 4 users, load average: 0,95, 1,01, 1,04 Tasks: 79 total, 1 running, 77 sleeping, 1 stopped, 0 zombie %Cpu(s): 0,3 us, 0,3 sy, 0,0 ni, 99,0 id, 0,0 wa, 0,0 hi, 0,0 si, 0,3 st KiB Mem: 507368 total, 494500 used, 12868 free, 78232 buffers KiB Swap: 0 total, 0 used, 0 free, 285724 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1493 root 20 0 25392 1608 1136 R 0,3 0,3 0:00.01 top 1 root 20 0 10648 684 568 S 0,0 0,1 0:07.14 init 2 root 20 0 0 0 0 S 0,0 0,0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0,0 0,0 0:00.32 ksoftirqd/0 ... 686 petr 20 0 71292 1760 976 S 0,0 0,3 0:00.00 sshd 687 petr 20 0 22600 3196 1652 S 0,0 0,6 0:00.17 bash 768 user 20 0 71292 1764 976 S 0,0 0,3 0:00.00 sshd 769 user 20 0 22096 2764 1696 S 0,0 0,5 0:00.09 bash 814 root 20 0 18164 836 684 S 0,0 0,2 0:00.02 script 845 root 20 0 18168 476 316 S 0,0 0,1 0:00.04 script 846 root 20 0 21700 2364 1692 S 0,0 0,5 0:00.29 l3script 867 user 20 0 18164 840 684 S 0,0 0,2 0:00.14 script 938 user 20 0 18168 480 316 S 0,0 0,1 0:00.00 script 939 user 20 0 22184 2868 1708 S 0,0 0,6 0:00.09 l3script |
#which who
/usr/bin/who |
#which cd
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#echo $?
1 |
#which pwd
/bin/pwd |
#which kill
/bin/kill |
#ls -l /var/spool
итого 12 drwxr-xr-x 3 root root 4096 Июн 27 2014 cron drwxr-x--- 5 Debian-exim Debian-exim 4096 Июн 27 2014 exim4 lrwxrwxrwx 1 root root 7 Июн 27 2014 mail -> ../mail drwxr-xr-x 2 root root 4096 Мар 6 2013 rsyslog |
#ls -ls /var/spool
итого 12 4 drwxr-xr-x 3 root root 4096 Июн 27 2014 cron 4 drwxr-x--- 5 Debian-exim Debian-exim 4096 Июн 27 2014 exim4 0 lrwxrwxrwx 1 root root 7 Июн 27 2014 mail -> ../mail 4 drwxr-xr-x 2 root root 4096 Мар 6 2013 rsyslog |
#ls -ld /var/spool
drwxr-xr-x 5 root root 4096 Июн 27 2014 /var/spool |
#ls -ld /var/spool/mail
lrwxrwxrwx 1 root root 7 Июн 27 2014 /var/spool/mail -> ../mail |
#ls -ld /var/mail
drwxrwsr-x 2 root mail 4096 Сен 29 12:35 /var/mail |
#cd /var/spool/mail
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#pwd
/var/spool/mail |
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