- Refer : https://www.guru99.com/managing-processes-in-linux.html
bg: To send a process to the backgroundfg: To run a stopped process in the forgroundtoppspidof: Gives the Process ID of a processkillnice: starts a process with a given priorityrenice: changes priority of an already runnign processdf: Gives free hard disk space on your systemfree: gives free RAM on your system