https://www.guru99.com/managing-processes-in-linux.html This tutorial looks into fg, bg, top, ps, kill, nice, renice, df, free commands in Linux.
What is a Process?
An instance of a program is called a Process.
Types of Processes: Foreground Processes and Background Processes.
0:05 What is a process?
0:28 Types of process
0:50 Foreground Process
1:36 Background Process
2:15 FG Command
2:40 The Top Utility Command
4:36 PS Utility Command
5:58 Kill Utility Command
6:55 Nice Command
9:21 Free command
9:57 Summary