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</div> <!-- #EndLibraryItem --><h1> less</h1>
<p>Display output one screen at a time, Search through output, Edit
the command line.</p>
<pre>SYNTAX
<strong>less</strong> [<em>options</em>]
<command> | <strong>less</strong> [<em>options</em>]
Moving Commands:
Commands marked with * may be preceded by a number, N.
Notes in parentheses indicate the behavior if N is given.
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).
ESC-SPACE * Forward one window, but don't stop at end-of-file.
d ^D * Forward one half-window (and set half-window to N).
u ^U * Backward one half-window (and set half-window to N).
ESC-( RightArrow * Left 8 character positions (or N positions).
ESC-) LeftArrow * Right 8 character positions (or N positions).
F Forward forever; like "tail -f".
r ^R ^L Repaint screen.
R Repaint screen, discarding buffered input.
h H Display this help.
q :q Q :Q ZZ Exit.
---------------------------------------------------
Default "window" is the screen height.
Default "half-window" is half of the screen height.
---------------------------------------------------------------------------
Searching Commands:
/pattern * Search forward for (N-th) matching line.
?pattern * Search backward for (N-th) matching line.
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.
ESC-u Undo (toggle) search highlighting.
---------------------------------------------------
Search patterns may be modified by one or more of:
^N or ! Search for NON-matching lines.
^E or * Search multiple files (pass thru END OF FILE).
^F or @ Start search at FIRST file (for /) or last file (for ?).
^K Highlight matches, but don't move (KEEP position).
^R Don't use REGULAR EXPRESSIONS.
---------------------------------------------------------------------------
Jumping commands:
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).
{ ( [ * Find close bracket } ) ].
} ) ] * Find open bracket { ( [.
ESC-^F <c1> <c2> * Find close bracket <c2>.
ESC-^B <c1> <c2> * Find open bracket <c1>
---------------------------------------------------
Each "find close bracket" command goes forward to the close bracket
matching the (N-th) open bracket in the top line.
Each "find open bracket" command goes backward to the open bracket
matching the (N-th) close bracket 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 '.
---------------------------------------------------
A mark is any upper-case or lower-case letter.
Certain marks are predefined:
^ means beginning of the file
$ means end of the file
---------------------------------------------------------------------------
Changing files:
:e [file] Examine a new file.
^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.
:x * Examine the first (or N-th) file from the command line.
:d Delete the current file from the command line list.
= ^G :f Print current file name.
---------------------------------------------------------------------------
Miscellaneous Commands:
-<flag> Toggle a command line option [see OPTIONS below].
--<name> Toggle a command line option, by name.
_<flag> Display the setting of a command line option.
__<name> Display the setting of an option, by name.
+cmd Execute the less cmd each time a new file is examined.
!command Execute the shell command with $SHELL.
|<b>X</b>command Pipe file between current pos & mark <b>X</b> to shell command.
v Edit the current file with $VISUAL or $EDITOR.
V Print version number of "less".
---------------------------------------------------------------------------
OPTIONS:
</pre>
<p><span class="body"> Most options may be changed either on the command line,
or from within less by using the - or -- command.<br>
Options may be given in one of two forms: either a single
character preceded by a -, or a name preceeded by --.</span></p>
<pre>
FINDING:
-a ........ --search-skip-screen
Forward search, skips current screen.
-g ........ --hilite-search
Highlight only last match for searches.
-G ........ --HILITE-SEARCH
Don't highlight any matches for searches.
-h [N] .... --max-back-scroll=[N]
Backward scroll limit.
-i ........ --ignore-case
Ignore case in searches.
-I ........ --IGNORE-CASE
Ignore case in searches and in search patterns.
-j [N] .... --jump-target=[N]
Screen position of target lines.
-p [pattern] --pattern=[<em>pattern</em>]
Start at pattern (from command line).
-t [tag] .. --tag=[tag]
Find a tag.
-T [tagsfile] --tag-file=[<em>tagsfile</em>]
Use an alternate tags file.
-y [N] .... --max-forw-scroll=[<em>N</em>]
Forward scroll limit.
DISPLAY OPTIONS:
-D [<em>xn.n</em>] . --color=<em>xn.n</em>
Set screen colors. (MS-DOS only)
-c -C .... --clear-screen --CLEAR-SCREEN
Repaint by scrolling/clearing.
-P [<em>prompt</em>] --prompt=[<em>prompt</em>]
Define new prompt.
-m -M .... --long-prompt --LONG-PROMPT
Set prompt style.
-n -N .... --line-numbers --LINE-NUMBERS
Use line numbers.
-r ........ --raw-control-chars
Output "raw" control characters.
-s ........ --squeeze-blank-lines
Squeeze multiple blank lines.
-S ........ --chop-long-lines
Chop long lines.
-w ........ --hilite-unread
Highlight first new line after forward-screen.
-W ........ --HILITE-UNREAD
Highlight first new line after any forward movement.
-~ ........ --tilde
Don't display tildes after end of file.
-z [<em>N</em>] .... --window=[<em>N</em>]
Set size of window.
FILE OPTIONS:
-b [<em>N</em>] .... --buffers=[<em>N</em>]
Number of buffers.
-B ........ --auto-buffers
Don't automatically allocate buffers for pipes.
-f ........ --force
Force open non-regular files.
-k [<em>file</em>] . --lesskey-file=[<em>file</em>]
Use a lesskey file.
-o [<em>file</em>] . --log-file=[<em>file</em>]
Copy to log file (standard input only).
-O [<em>file</em>] . --LOG-FILE=[<em>file</em>]
Copy to log file (unconditionally overwrite).
MISC OPTIONS:
-d ........ --dumb
Dumb terminal.
-e -E .... --quit-at-eof --QUIT-AT-EOF
Quit at end of file.
-q -Q .... --quiet --QUIET --silent --SILENT
Quiet the terminal bell.
-u -U .... --underline-special --UNDERLINE-SPECIAL
Change handling of backspaces.
-x [<em>N</em>] .... --tabs=[<em>N</em>]
Set tab stops.
-X ........ --no-init
Don't use termcap init/deinit strings.
-" [<em>c</em>[<em>c</em>]] . --quotes=[<em>c</em>[<em>c</em>]]
Set shell quote characters.
-? ........ --help
Display help (from command line).
-V ........ --version
Display the version number of "less".
---------------------------------------------------------------------------
Line Editing:
These keys can be used to edit text being entered
on the "command line" at the bottom of the screen.
RightArrow ESC-l Move cursor right one character.
LeftArrow ESC-h Move cursor left one character.
CNTL-RightArrow ESC-RightArrow ESC-w Move cursor right one word.
CNTL-LeftArrow ESC-LeftArrow ESC-b Move cursor left one word.
HOME ESC-0 Move cursor to start of line.
END ESC-$ Move cursor to end of line.
BACKSPACE Delete char to left of cursor.
DELETE ESC-x Delete char under cursor.
CNTL-BACKSPACE ESC-BACKSPACE Delete word to left of cursor.
CNTL-DELETE ESC-DELETE ESC-X Delete word under cursor.
CNTL-U ESC (MS-DOS only) Delete entire line.
UpArrow ESC-k Retrieve previous command line.
DownArrow ESC-j Retrieve next command line.
TAB Complete filename & cycle.
SHIFT-TAB ESC-TAB Complete filename & reverse cycle.
CNTL-L Complete filename, list all.</pre>
<p><i>“Counter to the widely held belief that industrial agriculture is more efficient and productive, small farms produce far more per acre than large farms” - <a href="http://www.cnr.berkeley.edu/%7Echristos/articles/cv_organic_farming.html">Christos Vasilikiotis</a></i><a href="http://www.cnr.berkeley.edu/%7Echristos/articles/cv_organic_farming.html"><br>
</a><br>
<b> Related</b>:<br>
<br>
<a href="echo.html">echo</a> - Display message on screen<br>
<a href="head.html">head</a> - Output the first part of file(s)<br>
<a href="more.html">more</a> - Display output one screen at a time <br>
pg - Display one page at a time<br>
<a href="tee.html">tee</a> - Redirect output to multiple files <br>
Equivalent Windows command:
<a href="../term_tools/nt/more.html">MORE</a> - Display output one screen at a time.</p>
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