Журнал лабораторных работ

Содержание

Журнал

Понедельник (01/11/10)

/dev/ttyp8
16:07:19
#[root@fbsd3:ports]# cd /usr/ports/shells/bash-completion
[root@fbsd3:ports]# make search name=bash-completion
Port:   bash-completion-20060301_2
Path:   /usr/ports/shells/bash-completion
Info:   Programmable completion library for Bash 2.04 and up
Maint:  kirk@strauser.com
B-deps:
R-deps: bash-3.2.25 gettext-0.16.1_3 libiconv-1.11_1
WWW:    http://www.caliban.org/bash/index.shtml
16:09:12
#[root@fbsd3:bash-completion]# . ~/.bashrc
if [ -f . /usr/local/etc/bash_completion; then
fi
    fi
   fi
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
"~/.bashrc" 5 lines, 130 characters written
16:09:30
#[root@fbsd3:cowsay]# make install
[root@fbsd3:bash-completion]# cd /usr/ports/games/cowsay/
16:09:44
#[root@fbsd3:cowsay]# make clean
[root@fbsd3:cowsay]# echo Hello | cowsay
bash: /usr/local/bin/cowsay: No such file or directory
===>  Cleaning for cowsay-3.03_1
16:09:58
#[root@fbsd3:cowsay]# echo Hello | cowsay
[root@fbsd3:cowsay]# make install
===>  Vulnerability check disabled, database not found
===>  Extracting for cowsay-3.03_1
=> MD5 Checksum OK for cowsay-3.03.tar.gz.
=> SHA256 Checksum OK for cowsay-3.03.tar.gz.
===>   cowsay-3.03_1 depends on file: /usr/local/bin/perl5.8.8 - found
===>  Patching for cowsay-3.03_1
===>   cowsay-3.03_1 depends on file: /usr/local/bin/perl5.8.8 - found
===>  Applying FreeBSD patches for cowsay-3.03_1
===>   cowsay-3.03_1 depends on file: /usr/local/bin/perl5.8.8 - found
...
===>   Compressing manual pages for cowsay-3.03_1
===>   Registering installation for cowsay-3.03_1
 _______
< Hello >
 -------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
16:10:00
#[root@fbsd3:cowsay]# pkg_delete cowsay-3.03_1
[root@fbsd3:cowsay]# pkg_delete co
compositeproto-0.4  cowsay-3.03_1
16:10:31
#[root@fbsd3:cowsay]# exit
exit
Connection to 192.168.16.23 closed.
16:10:51
#. /etc/bash.bashrc
 18 # set a fancy prompt (non-color, overwrite the one in /etc/profile)$
 19 PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '$
 20 $
 21 # Commented out, don't overwrite xterm -T "title" -n "icontitle" by defaa
    ult.$
 22 # If this is an xterm set the title to user@host:dir$
 23 #case "$TERM" in$
 24 #xterm*|rxvt*)$
 25 #    PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD}\007"'$
 26 #    ;;$
 27 #*)$
 28 #    ;;$
 29 #esac$
 30 $
 31 # enable bash completion in interactive shells$
 32 if [ -f /etc/bash_completion ]; then$
 33     . /etc/bash_completion$
 34 fi$
~
"/etc/bash.bashrc" 34L, 1068C written
root@debian1:/tmp# . ~/.bashrc
16:11:09
#apt-get install bind
[root@debian1:tmp]# apt-get install bind
bind        bind-doc    bind9-doc   bindgraph
bind-dev    bind9       bind9-host
bind        bind-doc    bind9-doc   bindgraph
bind-dev    bind9       bind9-host
16:11:09
#apt-get install bind
bind        bind-doc    bind9-doc   bindgraph
bind-dev    bind9       bind9-host
16:11:09
#apt-cache
[root@debian1:tmp]# apt-get
autoclean        clean            install          update
build-dep        dist-upgrade     remove           upgrade
check            dselect-upgrade  source
add        dump       madison    rdepends   showpkg    unmet
depends    dumpavail  pkgnames   search     showsrc    xvcg
dotty      gencaches  policy     show       stats
16:12:02
#. /et
[root@debian1:tmp]# apt-cache
16:12:14
#date
Mon Jan 11 17:12:17 EET 2010

Вторник (01/12/10)

/dev/ttyp0
08:23:09
#manintro
[root@debian1:bin]# namei
usage: namei [-mx] pathname [pathname ...]
bash: manintro: command not found
прошло 17 минут
08:41:07
#man
08:41:07
#man
08:41:07
#man -a intro
/dev/ttyp8
08:41:26
#man -a intro
/dev/ttyp0
08:42:25
#info
08:43:10
#pwd
/bin
08:43:49
#~/
bash: /root/: is a directory
08:43:53
#pwd
/bin
08:43:59
#~
bash: /root: is a directory
08:44:04
#pwd
/bin
08:44:08
#cd

08:44:15
#pwd
/root
08:44:18
#man mkfifo
08:45:52
#set
BASH=/bin/bash
BASH_ARGC=()
BASH_ARGV=()
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="3" [1]="1" [2]="17" [3]="1" [4]="release" [5]="i486-pc-linux-gnu")
BASH_VERSION='3.1.17(1)-release'
COLUMNS=80
DIFFNAME=115222705270348897-1263190788_1263219092_root_.vimrc.diff
DIR=
...
MACHTYPE=i486-pc-linux-gnu
MAIL=/var/mail/root
MAILCHECK=60
OLDPWD=/bin
OPTERR=1
OPTIND=1
OSTYPE=linux-gnu
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PIPESTATUS=([0]="0")
PPID=1913
прошла 21 минута
09:07:43
#patch

/dev/ttyp8
09:07:54
#LS
[root@debian1:tmp]# echo $
$BASH                 $IFS                  $RANDOM
$BASH_ARGC            $L3_HOME              $SECONDS
$BASH_ARGV            $L3_PARENT_TTY        $SHELL
$BASH_COMMAND         $L3_SESSION_ID        $SHELLOPTS
$BASH_COMPLETION      $L3_TAMPERED_EDITORS  $SHLVL
$BASH_COMPLETION_DIR  $LANG                 $SSH_CLIENT
$BASH_LINENO          $LINENO               $SSH_CONNECTION
$BASH_SOURCE          $LINES                $SSH_TTY
$BASH_SUBSHELL        $LOGNAME              $STY
...
$EUID                 $OPTIND               $a
$GROUPS               $OSTYPE               $bash205
$HISTCMD              $PATH                 $bash205b
$HISTFILE             $PIPESTATUS           $bash3
$HISTFILESIZE         $PPID                 $editor_file
$HISTSIZE             $PS1                  $editor_name
$HOME                 $PS2                  $old_file
$HOSTNAME             $PS4
$HOSTTYPE             $PWD
bash: LS: command not found
/dev/ttyp0
09:07:55
#echo $
$_                    $HISTFILESIZE         $OPTIND
$BASH                 $HISTSIZE             $OSTYPE
$BASH_ARGC            $HOME                 $PATH
$BASH_ARGV            $HOSTNAME             $PIPESTATUS
$BASH_COMMAND         $HOSTTYPE             $PPID
$BASH_LINENO          $IFS                  $PS1
$BASH_SOURCE          $L3_HOME              $PS2
$BASH_SUBSHELL        $L3_PARENT_TTY        $PS4
$BASH_VERSINFO        $L3_SESSION_ID        $PWD
$BASH_VERSION         $L3_TAMPERED_EDITORS  $RANDOM
...
$DIFFNAME             $LINES                $SHELLOPTS
$DIR                  $LOGNAME              $SHLVL
$DIRSTACK             $LS_COLORS            $SSH_CLIENT
$editor_file          $LS_OPTIONS           $SSH_CONNECTION
$editor_name          $MACHTYPE             $SSH_TTY
$ERR                  $MAIL                 $TERM
$EUID                 $MAILCHECK            $TIME
$GROUPS               $old_file             $UID
$HISTCMD              $OLDPWD               $USER
$HISTFILE             $OPTERR
09:07:55
#echo $path

09:08:41
#mc
09:09:58
#man ed
09:10:10
#vim /etc/hosts
09:10:34
#man tracert
09:10:46
#man trace
09:10:49
#man route
/dev/ttyp8
09:11:27
#LS
bash: LS: command not found
09:11:29
#ls
123   2009       fileperm1                 hard_link_to_file_copy
2     bind       find                      passwd
2007  fifo       hard_link_to_file         v218742
2008  filename1  hard_link_to_file_backup  zmanDW1PTG
/dev/ttyp0
09:11:30
#ls
1234
09:11:34
#touch a

/dev/ttyp8
09:11:40
#touch ab
[root@debian1:tmp]# touch a
09:11:42
#touch abc

09:11:43
#touch abcd

09:11:46
#echo *
[root@debian1:tmp]# touch abcde
123 2 2007 2008 2009 a ab abc abcd abcde bind fifo filename1 fileperm1 find hard_link_to_file hard_link_to_file_backup hard_link_to_file_copy passwd v218742 zmanDW1PTG
/dev/ttyp0
09:11:51
#touch ab

09:11:52
#touch abc

09:11:54
#echo *
1234 a ab abc
/dev/ttyp8
09:11:57
#ls
123   2008  ab    abcde  filename1  hard_link_to_file         passwd
2     2009  abc   bind   fileperm1  hard_link_to_file_backup  v218742
2007  a     abcd  fifo   find       hard_link_to_file_copy    zmanDW1PTG
/dev/ttyp0
09:12:01
#ls
1234  a  ab  abc
09:12:11
#echo .
. .. .bash_history .bash_profile .bashrc .gconf .gconfd .l3rc .lesshst .lilalo .mozilla .profile .ssh .viminfo .vimrc
/dev/ttyp8
09:12:13
#echo *
[root@debian1:tmp]# ls -1
123
2
2007
2008
2009
a
ab
abc
abcd
...
filename1
fileperm1
find
hard_link_to_file
hard_link_to_file_backup
hard_link_to_file_copy
passwd
v218742
zmanDW1PTG
123 2 2007 2008 2009 a ab abc abcd abcde bind fifo filename1 fileperm1 find hard_link_to_file hard_link_to_file_backup hard_link_to_file_copy passwd v218742 zmanDW1PTG
/dev/ttyp0
09:12:42
#echo .
. 1234 a ab abc
/dev/ttyp8
09:12:46
#echo -a .*
[root@debian1:tmp]# echo .*
. .. .ICE-unix .X0-lock .X11-unix .gdm_socket
-a . .. .ICE-unix .X0-lock .X11-unix .gdm_socket
/dev/ttyp0
09:12:58
#echo .* *
. .. .bash_history .bash_profile .bashrc .gconf .gconfd .l3rc .lesshst .lilalo .mozilla .profile .ssh .viminfo .vimrc 1234 a ab abc
09:13:05
#echo .'
>
>
>
/dev/ttyp8
09:13:09
#echo ..* *
[root@debian1:tmp]# echo .* *
. .. .ICE-unix .X0-lock .X11-unix .gdm_socket 123 2 2007 2008 2009 a ab abc abcd abcde bind fifo filename1 fileperm1 find hard_link_to_file hard_link_to_file_backup hard_link_to_file_copy passwd v218742 zmanDW1PTG
.. 123 2 2007 2008 2009 a ab abc abcd abcde bind fifo filename1 fileperm1 find hard_link_to_file hard_link_to_file_backup hard_link_to_file_copy passwd v218742 zmanDW1PTG
/dev/ttyp0
09:14:21
#echo .'* *
       -E     disable interpretation of backslash escapes (default)
       --help display this help and exit
       --version
              output version information and exit
       If -e is in effect, the following sequences are recognized:
       \0NNN  the character whose ASCII code is NNN (octal)
       \\     backslash
       \a     alert (BEL)
       \b     backspace
       \c     suppress trailing newline
...
       <http://www.gnu.org/licenses/gpl.html>.   There  is NO WARRANTY, to the
       extent permitted by law.tion of backslash escapes
SEE ALSOr     carriage returnetation of backslash escapes (default)
       The full documentation for echo is maintained as a Texinfo manual.   If
       the  info  and  echo  programs are properly installed at your site, the
       command
       \v     vertical tab
              info echorsion information and exit
       NOTE: your shell may have its own version of echo, which usually super‐
       should give you access to the complete manual.r to your  shell’s  docu‐
09:14:21
#echo .

09:14:21
#echo .'* *

09:14:21
#echo .

/dev/ttyp8
09:14:38
#echo ?
[root@debian1:tmp]# echo .[^.]* *
.ICE-unix .X0-lock .X11-unix .gdm_socket 123 2 2007 2008 2009 a ab abc abcd abcde bind fifo filename1 fileperm1 find hard_link_to_file hard_link_to_file_backup hard_link_to_file_copy passwd v218742 zmanDW1PTG
2 a
/dev/ttyp0
09:14:48
#echo .[^.]*
[root@debian1:~]# echo .* *
. .. .bash_history .bash_profile .bashrc .gconf .gconfd .l3rc .lesshst .lilalo .mozilla .profile .ssh .viminfo .vimrc 1234 a ab abc
.bash_history .bash_profile .bashrc .gconf .gconfd .l3rc .lesshst .lilalo .mozilla .profile .ssh .viminfo .vimrc
09:15:08
#echo .[^.]* *
.bash_history .bash_profile .bashrc .gconf .gconfd .l3rc .lesshst .lilalo .mozilla .profile .ssh .viminfo .vimrc 1234 a ab abc
09:15:17
#echo ??
ab
/dev/ttyp8
09:16:00
#ls -ld ?
[root@debian1:tmp]# ls -l ?
-rw-r--r-- 1 root root  0 Jan 12 10:11 a
2:
total 0
drwxr-xr-x 2 root root 48 Jan 11 12:03 2
-rw-r--r-- 1 root root  0 Jan 12 10:11 a
/dev/ttyp0
09:16:09
#echo ?
a
09:16:11
#touch '-1'
touch: invalid option -- 1
Попробуйте `touch --help' для получения более подробного описания.
/dev/ttyp8
09:16:19
#ls -ld ???
[root@debian1:tmp]# ls -ld ??
-rw-r--r-- 1 root root 0 Jan 12 10:11 ab
drwxr-xr-x 2 root root 48 Jan 11 16:32 123
-rw-r--r-- 1 root root  0 Jan 12 10:11 abc
09:16:21
#ls -ld ????
drwxr-xr-x 14 root root    336 Jan 11 12:06 2007
drwxr-xr-x 14 root root    336 Jan 11 12:06 2008
drwxr-xr-x 14 root root    336 Jan 11 12:06 2009
-rw-r--r--  1 root root      0 Jan 12 10:11 abcd
-rw-r--r--  1 root root  10464 Jan 11 16:56 bind
prw-r--r--  1 root root      0 Jan 11 11:59 fifo
-rw-r--r--  1 root root 301812 Jan 11 16:48 find
09:16:39
#ls -ld [^0-9]
[root@debian1:tmp]# ls -ld [^0-9]
-rw-r--r-- 1 root root 0 Jan 12 10:11 a
-rw-r--r-- 1 root root 0 Jan 12 10:11 a
09:17:14
#ls
123   2008  ab    abcde  filename1  hard_link_to_file         passwd
2     2009  abc   bind   fileperm1  hard_link_to_file_backup  v218742
2007  a     abcd  fifo   find       hard_link_to_file_copy    zmanDW1PTG
09:17:27
#ls -ld [^0-9]*[^0-9]
[root@debian1:tmp]# ls -ld [^0-9]*
-rw-r--r-- 1 root root      0 Jan 12 10:11 a
-rw-r--r-- 1 root root      0 Jan 12 10:11 ab
-rw-r--r-- 1 root root      0 Jan 12 10:11 abc
-rw-r--r-- 1 root root      0 Jan 12 10:11 abcd
-rw-r--r-- 1 root root      0 Jan 12 10:11 abcde
-rw-r--r-- 1 root root  10464 Jan 11 16:56 bind
prw-r--r-- 1 root root      0 Jan 11 11:59 fifo
-rw-r--r-- 1 root root   4825 Jan 11 14:42 filename1
-rw-r--r-- 1 root root      0 Jan 11 16:30 fileperm1
...
-rw-r--r-- 1 root root      0 Jan 12 10:11 abcd
-rw-r--r-- 1 root root      0 Jan 12 10:11 abcde
-rw-r--r-- 1 root root  10464 Jan 11 16:56 bind
prw-r--r-- 1 root root      0 Jan 11 11:59 fifo
-rw-r--r-- 1 root root 301812 Jan 11 16:48 find
-rw-r--r-- 1 root root   2652 Jan 11 11:55 hard_link_to_file
-rw-r--r-- 1 root root   2652 Jan 11 12:08 hard_link_to_file_backup
-rw-r--r-- 1 root root   2652 Jan 11 12:07 hard_link_to_file_copy
-rw-r--r-- 1 root root   9347 Jan 11 17:02 passwd
-rw------- 1 root root   1493 Jan 12 09:42 zmanDW1PTG
09:18:11
#ls a?
[root@debian1:tmp]# ls a?.doc
ls: a?.doc: No such file or directory
ab
09:18:13
#ls
123   2008  ab    abcde  filename1  hard_link_to_file         passwd
2     2009  abc   bind   fileperm1  hard_link_to_file_backup  v218742
2007  a     abcd  fifo   find       hard_link_to_file_copy    zmanDW1PTG
/dev/ttyp6
09:18:13
#screen -x
/dev/ttyp8
09:18:32
#echo *
[root@debian1:tmp]# ls *
a    abcd   fifo       find                      hard_link_to_file_copy
ab   abcde  filename1  hard_link_to_file         passwd
abc  bind   fileperm1  hard_link_to_file_backup  zmanDW1PTG
123:
2:
2007:
01  02  03  04  05  06  07  08  09  10  11  12
2008:
01  02  03  04  05  06  07  08  09  10  11  12
2009:
01  02  03  04  05  06  07  08  09  10  11  12
v218742:
123 2 2007 2008 2009 a ab abc abcd abcde bind fifo filename1 fileperm1 find hard_link_to_file hard_link_to_file_backup hard_link_to_file_copy passwd v218742 zmanDW1PTG
09:18:42
#ls *
a    abcd   fifo       find                      hard_link_to_file_copy
ab   abcde  filename1  hard_link_to_file         passwd
abc  bind   fileperm1  hard_link_to_file_backup  zmanDW1PTG
123:
2:
2007:
01  02  03  04  05  06  07  08  09  10  11  12
2008:
01  02  03  04  05  06  07  08  09  10  11  12
2009:
01  02  03  04  05  06  07  08  09  10  11  12
v218742:
09:19:12
#echo /*/*/*/*/* | xargs ls -l
lrwxrwxrwx   1 root    root           17 Jul  4  2008 /proc/1/cwd/lib/libncurses.so.5 -> libncurses.so.5.5
-rw-r--r--   1 root    root       263040 Oct 19  2006 /proc/1/cwd/lib/libncurses.so.5.5
lrwxrwxrwx   1 root    root           18 Jul  4  2008 /proc/1/cwd/lib/libncursesw.so.5 -> libncursesw.so.5.5
-rw-r--r--   1 root    root       308288 Oct 19  2006 /proc/1/cwd/lib/libncursesw.so.5.5
-rw-r--r--   1 root    root        72452 Jan 19  2008 /proc/1/cwd/lib/libnsl-2.3.6.so
lrwxrwxrwx   1 root    root           15 Jul  4  2008 /proc/1/cwd/lib/libnsl.so.1 -> libnsl-2.3.6.so
-rw-r--r--   1 root    root        26332 Jan 19  2008 /proc/1/cwd/lib/libnss_compat-2.3.6.so
lrwxrwxrwx   1 root    root           22 Jul  4  2008 /proc/1/cwd/lib/libnss_compat.so.2 -> libnss_compat-2.3.6.so
-rw-r--r--   1 root    root        17840 Jan 19  2008 /proc/1/cwd/lib/libnss_dns-2.3.6.so
lrwxrwxrwx   1 root    root           19 Jul  4  2008 /proc/1/cwd/lib/libnss_dns.so.2 -> libnss_dns-2.3.6.so
...
-rwxr-xr-x   1 root    root         5980 Mar  7  2007 /proc/1/cwd/sbin/logsave
-rwxr-xr-x   1 root    root        24884 Feb 21  2007 /proc/1/cwd/sbin/losetup
lrwxrwxrwx   1 root    root           10 Jul  4  2008 /proc/1/cwd/sbin/lsmod -> /bin/lsmod
lrwxrwxrwx   1 root    root           15 Jul  4  2008 /proc/1/cwd/sbin/lsmod.modutils -> insmod.modutils
-rwxr-xr-x   1 root    root        10776 Dec  4  2005 /proc/1/cwd/sbin/mii-tool
-rwxr-xr-x   1 root    root        39616 Mar  7  2007 /proc/1/cwd/sbin/mke2fs
-rwxr-xr-x   1 root    root         5116 Feb 21  2007 /proc/1/cwd/sbin/mkfs
-rwxr-xr-x   1 root    root        14560 Feb 21  2007 /proc/1/cwd/sbin/mkfs.cramfs
-rwxr-xr-x   1 root    root        39616 Mar  7  2007 /proc/1/cwd/sbin/mkfs.ext2
-rwxr-xr-x   1 root    root        39616 Mar  7  2007 /proc/1/cwd/sbin/mkfs.ext3
09:20:36
#\
(reverse-i-search)`mkdir ':
>
09:20:44
#mkdir -vp 200{4,5,6}/{0{1,2,3,4,5,6,7,8,9},1{0,1,2}}
[root@debian1:tmp]# history | grep mkdir
  224  mkdir 1
  228  mkdir 1/2/3/4/5
  229  mkdir -pv 1/2/3/4/5
  238  mkdir -vp 200{7,8,9}/{0{1,2,3,4,5,6,7,8,9},1{0,1,2}}
  274  mkdir 123
  377  history | grep mkdir
mkdir: created directory `2004'
mkdir: created directory `2004/01'
mkdir: created directory `2004/02'
...
mkdir: created directory `2006/03'
mkdir: created directory `2006/04'
mkdir: created directory `2006/05'
mkdir: created directory `2006/06'
mkdir: created directory `2006/07'
mkdir: created directory `2006/08'
mkdir: created directory `2006/09'
mkdir: created directory `2006/10'
mkdir: created directory `2006/11'
mkdir: created directory `2006/12'
09:21:38
#ps aux | awk {print$2}
[root@debian1:tmp]# ps aux | less
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         1  0.0  0.1   1960   648 ?        Ss   Jan09   0:00 init [2]
root         2  0.0  0.0      0     0 ?        S    Jan09   0:00 [migration/
0]
root         3  0.0  0.0      0     0 ?        SN   Jan09   0:00 [ksoftirqd/
0]
root         4  0.0  0.0      0     0 ?        S<   Jan09   0:00 [events/0]
root         5  0.0  0.0      0     0 ?        S<   Jan09   0:00 [khelper]
root         6  0.0  0.0      0     0 ?        S<   Jan09   0:00 [kthread]
...
root      8364  0.0  0.2   5060  1368 ttyp1    T    09:41   0:00 man -a intro
root      8472  0.0  0.1   4872   824 ttyp1    T    09:42   0:00 pager -s
root      8719  0.0  0.1   4672   624 ttyp1    T    10:09   0:00 ed
root      9155  0.3  0.3   7708  2352 ?        Ss   10:17   0:00 sshd: root@ttyp6
root      9165  0.0  0.1   4716   680 ttyp6    Ss+  10:18   0:00 script -f -q /root/.lilalo//10051136943226131377-1263284292.script
root      9204  0.0  0.0   4844   472 ttyp6    S+   10:18   0:00 script -f -q /root/.lilalo//10051136943226131377-1263284292.script
root      9205  0.0  0.4   6568  2592 ttyp7    Ss   10:18   0:00 bash -i
root      9252  0.0  0.1   5564  1016 ttyp7    S+   10:18   0:00 screen -x
root      9442  0.0  0.1   2236   892 ttyp9    R+   10:21   0:00 ps aux
root      9443  0.0  0.0   1808   432 ttyp9    R+   10:21   0:00 awk {print}
09:22:17
#mkdir -vp 200{4,5,6}/{0{1,2,3,4,5,6,7,8,9},1{0,1,2}}
[root@debian1:tmp]# ps aux | awk '{print$2}'
PID
1
2
3
4
5
6
7
8
...
8364
8472
8719
9155
9165
9204
9205
9252
9451
9452
09:22:55
#touch \-1
[root@debian1:tmp]# touch -1
touch: invalid option -- 1
Try `touch --help' for more information.
touch: invalid option -- 1
Try `touch --help' for more information.
09:23:08
#touch -- -1
[root@debian1:tmp]# touch "-1"
touch: invalid option -- 1
Try `touch --help' for more information.
09:23:20
#ls -l
total 344
-rw-r--r--  1 root root      0 Jan 12 10:23 -1
drwxr-xr-x  2 root root     48 Jan 11 16:32 123
drwxr-xr-x  2 root root     48 Jan 11 12:03 2
drwxr-xr-x 14 root root    336 Jan 12 10:21 2004
drwxr-xr-x 14 root root    336 Jan 12 10:21 2005
drwxr-xr-x 14 root root    336 Jan 12 10:21 2006
drwxr-xr-x 14 root root    336 Jan 11 12:06 2007
drwxr-xr-x 14 root root    336 Jan 11 12:06 2008
drwxr-xr-x 14 root root    336 Jan 11 12:06 2009
...
prw-r--r--  1 root root      0 Jan 11 11:59 fifo
-rw-r--r--  1 root root   4825 Jan 11 14:42 filename1
-rw-r--r--  1 root root      0 Jan 11 16:30 fileperm1
-rw-r--r--  1 root root 301812 Jan 11 16:48 find
-rw-r--r--  1 root root   2652 Jan 11 11:55 hard_link_to_file
-rw-r--r--  1 root root   2652 Jan 11 12:08 hard_link_to_file_backup
-rw-r--r--  1 root root   2652 Jan 11 12:07 hard_link_to_file_copy
-rw-r--r--  1 root root   9347 Jan 11 17:02 passwd
drwx------  2 root root     48 Jan 11 14:15 v218742
-rw-------  1 root root   1493 Jan 12 09:42 zmanDW1PTG
09:23:27