Your question: What is the use of ps command in Linux?

ps command is used to list the currently running processes and their PIDs along with some other information depends on different options. It reads the process information from the virtual files in /proc file-system. /proc contains virtual files, this is the reason it’s referred as a virtual file system.

What is the use of ps command?

The ps command enables you to check the status of active processes on a system, as well as display technical information about the processes. This data is useful for administrative tasks such as determining how to set process priorities.

What is ps EF command?

This command is used to find the PID (Process ID, Unique number of the process) of the process. Each process will have the unique number which is called as PID of the process.

What are various options of ps command in Linux?

Options

Option Description
-d Displays all processes with the exception of session leaders.
-e Displays all processes.
-f Displays a full listing.
-glist Displays data for the list of group leader IDs.

What is ps command size?

SIZE includes pages in the private segment and the shared-library data segment of the process. RSS. Real-memory (resident set) size in kilobytes of the process. This number is equal to the sum of the number of working segment and code segment pages in memory times 4.

What is ps EF grep?

So altogether ps -ef | grep processname. means: look for lines containing processname in a detailed overview/snapshot of all current processes, and display those lines. Copy link CC BY-SA 3.0.

What is ps grep Pmon?

Some typical uses are to look at all processes for a user (e.g. ps -fu oracle), to look for a particular process by process ID (ps -fp PID), and to look for a process across the whole system (ps -ef|grep pmon). … Grep sees the characters in brackets as a set and matches any of the characters you provide.

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