Basics

Linux whoami command

Print the username associated with the current effective user ID.

Availability: Common Linux commands; shell built-ins and external implementations may differ by distribution.中文

Syntax

whoami [OPTION]...

Examples

Print the effective user name.

whoami

Show which user an elevated command would run as.

sudo whoami

Parameters, options and clauses

Option / clause	Description
`--help`	Display help and exit.
`--version`	Display version information and exit.

Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

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