System Info
whoami
Print the effective username of the current user.
Synopsis
syntax
whoami
Examples
Print current username
whoami
Prints 'root' when run with sudo
sudo whoami
Use in script to identify user
echo "Logged in as $(whoami)"
About whoami
The `whoami` command print the effective username of the current user. System information commands provide insight into hardware, kernel, memory, disk, and user session details.
These are typically the first tools you reach for when diagnosing system problems, capacity planning, or auditing a server's configuration. They work across most Linux distributions without additional packages.
The command accepts 0 commonly used flags shown above, though the full set of options is available in the man page (`man whoami`). The 3 examples on this page cover typical real-world usage patterns that you can copy and adapt for your own workflows.
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More System Info Commands
Other commands in the System Info category