TestOut Linux Pro 2025 – 400 Free Practice Questions to Pass the Exam

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How do you display the current user in Linux?

w

who

whoami

To display the current user in Linux, the command `whoami` is the most direct and widely used. When executed, it outputs the username of the currently logged-in user. This command is straightforward and specifically tailored to identify the user context in which the command is run.

The other options do provide information about users but do so in different ways. For instance, the `w` command shows who is logged into the system along with their activity, including details about what each user is doing, but it does not specifically identify the current user like `whoami` does. The `who` command also provides information about all users logged into the system, showing details such as their terminal and login time, but again, it does not singularly identify the executing user. Lastly, while `currentuser` sounds like it could be a command to show the current user, it does not exist in standard Linux command line utilities, making it an invalid option.

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