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Tuesday, 16 March 2010 13:46 |
Command whatis
Searches for whole words in the database whatis (see command apropos).
Syntax
whatis keyword
Options
no
Description
whatis command displays the result of search whole words in the database whatis (see description command apropos). Only the match whole words.
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Tuesday, 16 March 2010 13:42 |
Command wc
Displays the number of bytes, words and lines found in the file.
Syntax
wc [options] [files]
Options
-c displays only the number of bytes.
-w only shows the number of words.
-l displays only the number of rows.
Description
wc command displays the number of bytes, words and lines found in the file. If the input file is not specified, wc reads from standard input.
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Tuesday, 16 March 2010 13:38 |
Command uptime
Displays the time of continuous operation of the system.
Syntax
uptime
Options
no
Description
uptime utility displays the current time, time of continuous operation of the system, the number of users in the system and the average system load over the last 1, 5, and 15 minutes.
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Tuesday, 16 March 2010 13:34 |
Command uname
Displays system information, such as the type of machine and operating system.
Syntax
uname [options]
Options
-a displays all the information.
-m displays the type of equipment (eg, i586).
-n displays the hostname of the machine.
-p displays the processor type (usually unknown).
-r displays the number of operating system release
-s displays the name of the operating system.
-v displays the version of the operating system (compilation date).
Description
The uname command displays various information about the machine and operating system (Linux).
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Tuesday, 16 March 2010 13:10 |
Command unalias
Eliminates the abbreviation as defined previously by using the alias.
Syntax
unalias abbreviation
Options
no
Description
command unalias removes the abbreviation as defined previously by using the alias. Command unalias is a built-in command processor Bash.
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Commands
