watch
SafeRepeat a command on screen
watch -n 2 '<command>'
Re-runs a command periodically; -d highlights changes. Perfect for watching recovery progress.
Examples
watch -d -n 2 'df -h /'Watch disk usage change
Syntax
watch [-n sec] [-d] <command>
Before you run it
As safe as the watched command.
The same reference, with no signal at all
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