-n, --interval seconds
Specify update interval. The command will not allow quicker than 0.1 second interval-t, --no-title
Turn off the header showing the interval, command, and current time at the top of the display-c, --color
Interpret ANSI color and style sequences
- Watching a network interface come up:
watch -n 0.5 ip a
- Showing the most CPU intensive processes:
watch "ps aux | sort -nrk 3,3 | head -n 5"