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This article mainly shows you "what is the use of the logname command in Linux", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "what is the use of logname command in Linux" this article.

Linux common commands print the name of the current terminal login user.

Logname prints the name of the current terminal login user.

Summary logname [OPTION]... The main purpose is to print the name of the current terminal login user.

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 ~] # logname root notes the distinction between whoami and logname; for example, we opened the terminal 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 logname,info coreutils' logname invocation'.

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