watch
Execute a command repeatedly, and monitor the output in full-screen mode.
More information: https://manned.org/watch.
- Monitor files in the current directory:
watch ls
- Monitor disk space and highlight the changes:
watch -d df
- Monitor "node" processes, refreshing every 3 seconds:
watch -n 3 "ps aux | grep node"
- Monitor disk space and if it changes, stop monitoring:
watch -g df