less.hlp

早期freebsd实现

                     SUMMARY OF COMMANDS

      Commands marked with * may be preceded by a number, N.
      Notes in parentheses indicate the behavior if N is given.

  h  H                 Display this help.
  q  :q  :Q  ZZ        Exit.

  e  ^E  j  ^N  CR  *  Forward  one line (or N lines).
  y  ^Y  k  ^K  ^P  *  Backward one line (or N lines).
  f  ^F  ^V  SPACE  *  Forward  one window (or N lines).
  b  ^B  ESC-v      *  Backward one window (or N lines).
  z                 *  Forward  one window (and set window to N).
  w                 *  Backward one window (and set window to N).
  d  ^D             *  Forward  one half-window (and set half-window to N).
  u  ^U             *  Backward one half-window (and set half-window to N).
  F                    Forward forever; like "tail -f".
  r  ^R  ^L            Repaint screen.
  R                    Repaint screen, discarding buffered input.

  NOTE: default "window" is the screen height.
        default "half-window" is half of the screen height.

  /pattern          *  Search forward for (N-th) matching line.
  ?pattern          *  Search backward for (N-th) matching line.

  NOTE: search commands may be modified by one or more of:
        !  search for NON-matching lines.
        *  search multiple files.
        @  start search at first file (for /) or last file (for ?).

  n                 *  Repeat previous search (for N-th occurrence).
  N                 *  Repeat previous search in reverse direction.
  ESC-n             *  Repeat previous search, spanning files.
  ESC-N             *  Repeat previous search, reverse dir. & spanning files.

  g  <  ESC-<       *  Go to first line in file (or line N).
  G  >  ESC->       *  Go to last line in file (or line N).
  p  %              *  Go to beginning of file (or N percent into file).
  {                 *  Go to the } matching the (N-th) { in the top line.
  }                 *  Go to the { matching the (N-th) } in the bottom line.
  (                 *  Go to the ) matching the (N-th) ( in the top line.
  )                 *  Go to the ( matching the (N-th) ) in the bottom line.
  [                 *  Go to the ] matching the (N-th) [ in the top line.
  ]                 *  Go to the [ matching the (N-th) ] in the bottom line.
  ESC-^F <c1> <c2>  *  Go to the c1 matching the (N-th) c2 in the top line
  ESC-^B <c1> <c2>  *  Go to the c2 matching the (N-th) c1 in the bottom line.
  m<letter>            Mark the current position with <letter>.
  '<letter>            Go to a previously marked position.
  ''                   Go to the previous position.
  ^X^X                 Same as '.

  E [file]             Examine a new file.
  :e  ^X^V             Same as E.
  :n                *  Examine the (N-th) next file from the command line.
  :p                *  Examine the (N-th) previous file from the command line.
  =  ^G  :f            Print current file name.
  V                    Print version number of "less".

  -<flag>              Toggle a command line flag [see FLAGS below].
  _<flag>              Display the setting of a command line flag.
  +cmd                 Execute the less cmd each time a new file is examined.

  !command             Passes the command to $SHELL to be executed.
  |Xcommand            Pipe file between current pos & mark X to shell command.
  v                    Edit the current file with $EDITOR.


                         FLAGS

        Most flags may be changed either on the command line,
        or from within less by using the - command.

  -?            Display help (from command line).
  -a            Set forward search starting location.
  -b [N]        Number of buffers.
  -B            Automatically allocate buffers.
  -c  -C        Repaint by scrolling/clearing.
  -d            Dumb terminal.
  -e  -E        Quit at end of file.
  -f            Force open non-regular files.
  -h [N]        Backward scroll limit.
  -i            Ignore case in searches.
  -j [N]        Screen position of target lines.
  -k [file]     Use a lesskey file.
  -m  -M        Set prompt style.
  -n  -N        Use line numbers.
  -o [file]     Log file.
  -O [file]     Log file (unconditionally overwrite).
  -p [pattern]  Start at pattern (from command line).
  -P [prompt]   Define new prompt.
  -q  -Q        Quiet the terminal bell.
  -r            Translate control characters.
  -s            Squeeze multiple blank lines.
  -S            Chop long lines.
  -t [tag]      Find a tag.
  -T [tagsfile] Use an alternate tags file.
  -u  -U        Change handling of backspaces.
  -w            Display ~ for lines after end-of-file.
  -x [N]        Set tab stops.
  -y [N]        Forward scroll limit.
  -z [N]        Set size of window.