Watch
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From Linuxconfig.org
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Name
watch - execute a program periodically, showing output fullscreen
Synopsis - man page
watch [-dhvt] [-n seconds] [--differences[=cumulative]] [--help]
[--interval=seconds] [--no-title] [--version] command
Frequently used options
-n seconds interval in seconds
Examples
Watch is utility which helps you to WATCH for changes. For example if we want to watch content for of directory for new files we can do:
$ watch ls ~/
By default watch update screen every 2 seconds. To change this interval we can use -n option. If we want to watch to refresh screen every 0.5 second we do:
watch -n 0.5 ls ~/
