Bash Shell Scripting - Killing Processes - "kill" Command

The video tutorial covers the use of the kill command to manage processes in Ubuntu. It explains how to list signals, find process IDs using the PS command, and use pgrep to search for processes by name. The tutorial also demonstrates how to send different signals to processes, including terminate and quit signals, and introduces the pkill command for killing processes by name. The video emphasizes efficiency in process management and provides practical examples using Firefox and GNOME calculator.

Describe the effect of using the kill command with the '-9' option.

What is the difference between using 'kill' and 'pkill' commands?

How can you kill multiple processes at once using the kill command?