How To Monitor Linux / BSD System Over Time Without Scrolling Output Using watch Command

Posted on in Categories Linux, UNIX last updated June 25, 2017

YYou can use the watch command to execute a program or shell script periodically, display its output on screen repeatedly. That allows you to look at the program output change over time. By default, the program runs every 2 seconds. Aforementioned is useful to monitor memory utilization, RAID rebuilds progress or disk space usage over time without having to look at scrolling output.