CentOS 5での「ls --help」コマンドの実行結果

CentOS 5でlsコマンドのヘルプを見るためのコマンドは、

ls --help

となる。

ls --helpの実行結果は、以下の通り。

使用法: ls [オプション]... [ファイル]...
List information about the FILEs (the current directory by default).
Sort entries alphabetically if none of -cftuvSUX nor --sort.

長いオプションに必須の引数は短いオプションにも必須です.
  -a, --all                  do not ignore entries starting with .
  -A, --almost-all           do not list implied . and ..
      --author               with -l, print the author of each file
  -b, --escape               print octal escapes for nongraphic characters
      --block-size=SIZE      ブロックサイズを SIZE とする
  -B, --ignore-backups       末尾に '~' がつくファイルをリスト表示しない
  -c                          -lt 付き: ctime(最終更新時刻) でソートして表示
                              -l 付き:  ctime を表示する。名前でソートする
                              その他:   ctime でソートする
  -C                         list entries by columns
      --color[=WHEN]         control whether color is used to distinguish file
                               types.  WHEN may be `never', `always', or `auto'
  -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 -lst
  -F, --classify             append indicator (one of */=>@|) to entries
      --file-type            likewise, except do not append `*'
      --format=WORD          across -x, commas -m, horizontal -x, long -l,
                               single-column -1, verbose -l, vertical -C
      --full-time            like -l --time-style=full-iso
  -g                         like -l, but do not list owner
  -G, --no-group             like -l, but do not list group
  -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
      --dereference-command-line-symlink-to-dir
                             follow each command line symbolic link
                             that points to a directory
      --hide=PATTERN         do not list implied entries matching shell PATTERN
                               (overridden by -a or -A)
      --indicator-style=WORD append indicator with style WORD to entry names:
                               none (default), slash (-p),
                               file-type (--file-type), classify (-F)
  -i, --inode                with -l, print the index number of each file
  -I, --ignore=PATTERN       do not list implied entries matching shell PATTERN
  -k                         like --block-size=1K
  -l                         詳細リスト形式を表示する
  -L, --dereference          シンボリックリンクのファイル情報を表示するときは
                               リンクそのものではなくリンク参照先のファイル
                               情報を表示する
  -m                         項目のリストをカンマで区切り、一行に詰め込む
  -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
                               characters specially)
  -o                         like -l, but do not list group information
  -p, --indicator-style=slash
                             append / indicator to directories
  -q, --hide-control-chars   表示不可能な文字を ? に置き換える
      --show-control-chars   表示不可能な文字をそのまま表示 (プログラムが
                             `ls' でなかったり出力が端末でない場合の初期状態)
  -Q, --quote-name           ファイル名をダブルクォート(")で囲む
      --quoting-style=WORD   項目名のクォートに WORD 文字を使う:
                               literal, locale, shell, shell-always, c, escape
  -r, --reverse              reverse order while sorting
  -R, --recursive            list subdirectories recursively
  -s, --size                 with -l, print size of each file, in blocks
  -S                         sort by file size
      --sort=WORD            extension -X, none -U, size -S, time -t,
                             version -v, status -c, time -t, atime -u,
                             access -u, use -u
      --time=WORD            with -l, show time as WORD instead of modification
                             time: atime, access, use, ctime or status; use
                             specified time as sort key if --sort=time
      --time-style=STYLE     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, FORMAT1 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 time
  -U                         do not sort; list entries in directory order.
                             In combination with one_per_line format `-1',
                             it will show files immediately and it has no
                             memory limitations.
  -v                         sort by version
  -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
  -1                         list one file per line

SELinux options:

      --lcontext             Display security context.   Enable -l. Lines
                               will probably be too wide for most displays.
      -Z, --context          Display security context so it fits on most
                               displays.  Displays only mode, user, group,
                               security context and file name.
      --scontext             Display only security context and file name.


      --help     この使い方を表示して終了
      --version  バージョン情報を表示して終了

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.

By default, color is not used to distinguish types of files.  That is
equivalent to using --color=none.  Using the --color option without the
optional WHEN argument is equivalent to using --color=always.  With
--color=auto, color codes are output only if standard output is connected
to a terminal (tty).  The environment variable LS_COLORS can influence the
colors, and can be set easily by the dircolors command.

Exit status is 0 if OK, 1 if minor problems, 2 if serious trouble.

バグを発見したら <bug-coreutils@gnu.org> 宛に報告して下さい.

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