LFCS - Linux Process Management _ Linux.org2.pdf - LFCS...

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27/06/2021 LFCS - Linux Process Management | Linux.org 2/7 The User ID (UID) is the name of the user which executed the command. The ‘TIME’ is the amount of time the process has been processed by the CPU. The command which has been executed is in the CMD column. Using the command ‘top’ you can list all the processes and sort the list by a specific column. You can use the option ‘F’ instead of ‘f’ to get an even fuller listing. There is a column which is represented by RSS which stands for ‘Resident Set Size’ or the memory used by the process. This is an easy way to determine which process is using most of your RAM in your system. If you are looking for a specific process you can pipe the information through a ‘grep’ command. For instance, if you want to see if you have Firefox running you can use the command: ‘ps -ef | grep firefox’. Now, if Firefox is running you should get a listing of more than one process, as shown in Figure 2. Firefox requires more than one process for the application. Parts of Firefox are running as separate processes,

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