Difference between revisions of "Basic Commands"
| Line 1: | Line 1: | ||
= ls = | = ls = | ||
<code>-a</code> do not ignore entries starting with .</br> | |||
-a | <code>-F</code> append a symbol to indicate type (* executable, / directory, @ symlink, = socket, | named pipe, > door)</br> | ||
do not ignore entries starting with . | <code>-h</code> (with <code>-l</code> and <code>-s</code>) print sizes like 1K 234M 5G</br> | ||
<code>-i</code> display inode number</br> | |||
- | <code>-l</code> use a long listing format</br> | ||
with -l and -s | <code>-r</code> reverse order while sorting</br> | ||
<code>-s</code> display size</br> | |||
-l</ | <code>-t</code> sort by time, newest first</br> | ||
use a long listing format | |||
-r | |||
reverse order while sorting | |||
-t</ | |||
sort by time, newest first | |||
= less & more = | = less & more = | ||
<code>space / f</code> scroll forward one screen</br> | |||
<code>enter</code> scroll forward one line</br> | |||
<code>b</code> scroll backward one screen</br> | |||
<code>d</code> scroll forward half a screen</br> | |||
<code>h</code> display help</br> | |||
<code>q</code> quit</br> | |||
<code>/string</code> search string forward</br> | |||
<code>?string</code> search string backward</br> | |||
<code>n</code> find next occurrence</br> | |||
<code>N</code> find previous occurrence (less only)</br> | |||
= setfacl = | |||
<code>-b</code> remove all access acls</br> | |||
<code>-d</code> apply default acl</br> | |||
<code>-k</code> remove all default acls</br> | |||
<code>-m</code> set or modify acls</br> | |||
<code>-n</code> prevent automatic recalculation of mask</br> | |||
<code>-R</code> apply recursive</br> | |||
<code>-x</code> remove access acl</br> | |||
= watch = | |||
Execute a command every X seconds (default 2).</br> | |||
<code>watch -n X who</code> execute the who command every X seconds</br> | |||
n</ | |||
= wc = | = wc = | ||
Display lines (<code>-l</code>), words (<code>-w</code>), bytes (<code>-c</code>) or characters (<code>-m</code>) of file. | |||
= whatis = | |||
Display one-line man page description of a command.</br> | |||
= | |||
- | |||
= whereis = | |||
Locate the binary, source and man pages for a command.</br> | |||
= which = | |||
Locate a command.</br> | |||
Revision as of 10:14, 30 December 2022
ls
-a do not ignore entries starting with .
-F append a symbol to indicate type (* executable, / directory, @ symlink, = socket, | named pipe, > door)
-h (with -l and -s) print sizes like 1K 234M 5G
-i display inode number
-l use a long listing format
-r reverse order while sorting
-s display size
-t sort by time, newest first
less & more
space / f scroll forward one screen
enter scroll forward one line
b scroll backward one screen
d scroll forward half a screen
h display help
q quit
/string search string forward
?string search string backward
n find next occurrence
N find previous occurrence (less only)
setfacl
-b remove all access acls
-d apply default acl
-k remove all default acls
-m set or modify acls
-n prevent automatic recalculation of mask
-R apply recursive
-x remove access acl
watch
Execute a command every X seconds (default 2).
watch -n X who execute the who command every X seconds
wc
Display lines (-l), words (-w), bytes (-c) or characters (-m) of file.
whatis
Display one-line man page description of a command.
whereis
Locate the binary, source and man pages for a command.
which
Locate a command.