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How to use the whoami command in Linux

2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces how to use the whoami command in Linux, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand.

Linux common command whoami command is used to display its own user name, display its own user name, this instruction is equivalent to the execution of the "id-un" directive.

Whoami prints the name of the currently valid user ID

Summary whoami [OPTION]... The main purpose is to print the name of the currently valid user ID.

Option-help displays help and exits. -- version displays version information and exits. A return value of 0 indicates success, while a non-zero value indicates failure.

The example [root@localhost ~] # whoami root notes that this command is equivalent to id-un.

Notice the distinction between the whoami and logname commands; for example, the terminal we opened with the user root, and then switched to the user user2. At this point, whoami returns the current user user2, and logname returns root. You can practice and verify it.

This command is a command in the GNU coreutils package. For help, please see man-s 1 whoami,info coreutils' whoami invocation'.

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