Watch is a command on Linux that will repeatedly run commands for you, and it offers some very useful options. One of its basic options is that you can tell watch how long to wait before running ...

To see the interrupts occurring on your system, run the command: # watch -n1 "cat /proc/interrupts" CPU0 CPU1 0: 330 0 IO-APIC-edge timer 1: 11336 0 IO-APIC-edge i8042 4: 2 0 IO-APIC-edge 6: 3 0 ...

Rounding out my wish list is the simple but powerful watch command. In Linux, it runs a command at regular intervals, by default, every two seconds, and updates the display with the latest output.

You can easily set up a Linux command that keeps trying until it succeeds. Let's look at how to loop your way to success.