La commande ls est une commande typique des systèmes unix et un des plus connus car elle est indispensable pour naviguer dans le système de fichier. Cette commande permet en effet de recueillir des informations sur un répertoire comme la liste des fichiers contenus dans un répertoire choisis en paramètres



axel@solaris:/$ ls
bin  boot  cdrom  dev  devices  etc  export  home  kernel  lib  media  mnt  net  opt 
platform  proc  root  rpool  sbin  system  tmp  usr  var
axel@solaris:/$ ls -l
total 203
lrwxrwxrwx   1 root root      9 2011-04-19 01:59 bin -> ./usr/bin
drwxr-xr-x   6 root sys       7 2011-04-19 01:59 boot
drwxr-xr-x   2 root root      4 2011-04-19 02:06 cdrom
drwxr-xr-x 259 root sys     262 2011-04-21 10:15 dev
drwxr-xr-x   4 root sys       6 2011-04-21 10:15 devices
drwxr-xr-x  76 root sys     215 2011-04-21 10:16 etc
drwxr-xr-x   3 root root      3 2011-04-19 01:50 export
dr-xr-xr-x   2 root root      2 2011-04-21 10:16 home
drwxr-xr-x  18 root sys      19 2011-04-19 01:51 kernel
drwxr-xr-x  11 root bin     187 2011-04-19 01:51 lib
drwxr-xr-x   2 root root      4 2011-04-21 10:16 media
drwxr-xr-x   2 root sys       2 2011-04-19 01:59 mnt
dr-xr-xr-x   1 root root      1 2011-04-21 10:16 net
drwxr-xr-x   4 root sys       4 2011-04-19 01:58 opt
drwxr-xr-x   5 root sys       5 2010-11-05 17:12 platform
dr-xr-xr-x  53 root root 155328 2011-04-21 10:34 proc
drwx------   2 root root      4 2011-04-19 01:59 root
drwxr-xr-x   4 root root      4 2011-04-19 01:59 rpool
drwxr-xr-x   2 root sys      64 2011-04-19 01:59 sbin
drwxr-xr-x   4 root root      4 2010-11-05 17:12 system
drwxrwxrwt   2 root sys     115 2011-04-21 10:16 tmp
drwxr-xr-x  31 root sys      44 2011-04-19 01:52 usr
drwxr-xr-x  39 root sys      39 2010-11-05 17:12 var

Man solaris de la commande ls


User Commands                                               LS(1)

 ls - list directory contents

 ls [OPTION]... [FILE]...

 List information about the FILEs (the current  directory  by
 default).   Sort entries alphabetically if none of -cftuvSUX
 nor --sort.

 Mandatory arguments to long options are mandatory for  short
 options too.

 -a, --all
 do not ignore entries starting with .

 -A, --almost-all
 do not list implied . and ..

 with -l, print the author of each file

 -b, --escape
 print C-style escapes for nongraphic characters

 use SIZE-byte blocks.  See SIZE format below

 -B, --ignore-backups
 do not list implied entries ending with ~

 -c   with -lt: sort by, and show, ctime (time of last modif-
 ication of file status information) with -l: show ctime
 and sort by name otherwise: sort by ctime

 -C   list entries by columns

 colorize the output.  WHEN defaults to `always' or  can
 be `never' or `auto'.  More info below

 -d, --directory
list directory entries instead of contents, and do  not
 dereference symbolic links

 -D, --dired
 generate output designed for Emacs' dired mode

 -f   do not sort, enable -aU, disable -ls --color

 -F, --classify

GNU coreutils 8.5    Last change: April 2010                    1

User Commands                                               LS(1)

 append indicator (one of */=>@|) to entries

 likewise, except do not append `*'

 across  -x,  commas  -m,  horizontal   -x,   long   -l,
 single-column -1, verbose -l, vertical -C

 like -l --time-style=full-iso

 -g   like -l, but do not list owner

 group directories before files.

 augment  with  a  --sort  option,  but   any   use   of
 --sort=none (-U) disables grouping

 -G, --no-group
 in a long listing, don't print group names

 -h, --human-readable
 with -l, print sizes in human readable format (e.g., 1K
 234M 2G)

 --si likewise, but use powers of 1000 not 1024

 -H, --dereference-command-line
 follow symbolic links listed on the command line

 follow each command line symbolic link that points to a

 do not list  implied  entries  matching  shell  PATTERN
 (overridden by -a or -A)

 append indicator with style WORD to entry names:   none
 (default),  slash  (-p), file-type (--file-type), clas-
 sify (-F)

 -i, --inode
 print the index number of each file

 -I, --ignore=PATTERN
 do not list implied entries matching shell PATTERN

 -k   like --block-size=1K

GNU coreutils 8.5    Last change: April 2010                    2

User Commands                                               LS(1)

 -l   use a long listing format

 -L, --dereference
 when showing file information for a symbolic link, show
 information  for  the  file  the link references rather
 than for the link itself

 -m   fill width with a comma separated list of entries

 -n, --numeric-uid-gid
 like -l, but list numeric user and group IDs

 -N, --literal
 print raw entry names (don't treat e.g. control charac-
 ters specially)

 -o   like -l, but do not list group information

 -p, --indicator-style=slash
 append / indicator to directories

 -q, --hide-control-chars
 print ? instead of non graphic characters

 show non graphic characters as-is (default unless  pro-
 gram is `ls' and output is a terminal)

 -Q, --quote-name
 enclose entry names in double quotes

 use quoting  style  WORD  for  entry  names:   literal,
 locale, shell, shell-always, c, escape

 -r, --reverse
 reverse order while sorting

 -R, --recursive
 list subdirectories recursively

 -s, --size
 print the allocated size of each file, in blocks

 -S   sort by file size

 sort by WORD instead of name: none  -U,  extension  -X,
 size -S, time -t, version -v

 with -l, show time  as  WORD  instead  of  modification

GNU coreutils 8.5    Last change: April 2010                    3

User Commands                                               LS(1)

 time:  atime -u, access -u, use -u, ctime -c, or status
 -c; use specified time as sort key if --sort=time

 with -l,  show  times  using  style  STYLE:   full-iso,
 long-iso,  iso, locale, +FORMAT.  FORMAT is interpreted
 like `date'; if FORMAT is FORMAT1<newline>FORMAT2, FOR-
 MAT1  applies to non-recent files and FORMAT2 to recent
 files; if STYLE is prefixed with `posix-', STYLE  takes
 effect only outside the POSIX locale

 -t   sort by modification time

 -T, --tabsize=COLS
 assume tab stops at each COLS instead of 8

 -u   with -lt: sort by, and show, access time with -l:  show
 access  time and sort by name otherwise: sort by access

 -U   do not sort; list entries in directory order

 -v   natural sort of (version) numbers within text

 -w, --width=COLS
 assume screen width instead of current value

 -x   list entries by lines instead of by columns

 -X   sort alphabetically by entry extension

 -Z, --context
 print any SELinux security context of each file

 -1   list one file per line

 display this help and exit

 output version information and exit

 SIZE may be (or may be an integer  optionally  followed  by)
 one  of  following:   KB  1000,  K  1024,  MB  1000*1000,  M
 1024*1024, and so on for G, T, P, E, Z, Y.

 Using color to distinguish file types is  disabled  both  by
 default and with --color=never.  With --color=auto, ls emits
 color codes only when standard output is connected to a ter-
 minal.   The  LS_COLORS  environment variable can change the
 settings.  Use the dircolors command to set it.

GNU coreutils 8.5    Last change: April 2010                    4

User Commands                                               LS(1)


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