Linux Commands for Beginners--The Watch Command
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In this part, I talk about the watch command.
DESCRIPTION :
execute a program periodically, showing output fullscreen
SYNOPSIS :
watch [option] <command>
OPTION :
-n : By default, the program is run every 2 seconds; use -n to specify a different interval.
command: any linux command you want to type
Example :
[piniheaven@localhost ~]$ watch -n 10 free -m #Every 10.0s free -mwill be executed automatically
Every 10.0s: free -m Tue Sep 3 17:48:56 2013
total used free shared buffers cached
Mem: 5690 1388 4301 0 82 620
-/+ buffers/cache: 685 5004
Swap: 0 0 0
1.COMMAND :
watchDESCRIPTION :
execute a program periodically, showing output fullscreen
SYNOPSIS :
watch [option] <command>
OPTION :
-n : By default, the program is run every 2 seconds; use -n to specify a different interval.
command: any linux command you want to type
Example :
[piniheaven@localhost ~]$ watch -n 10 free -m #Every 10.0s free -mwill be executed automatically
Every 10.0s: free -m Tue Sep 3 17:48:56 2013
total used free shared buffers cached
Mem: 5690 1388 4301 0 82 620
-/+ buffers/cache: 685 5004
Swap: 0 0 0
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