User Management
visudo
Safely edit the sudoers file with syntax checking.
Synopsis
syntax
visudo [OPTION]...
Examples
Edit sudoers file safely
sudo visudo
Validate sudoers syntax without editing
sudo visudo -c
Edit a specific sudoers include file
sudo visudo -f /etc/sudoers.d/custom
Common options
| Flag | Description |
|---|---|
| -c | Check-only mode — validate syntax |
| -f | Edit alternate sudoers file |
| -s | Strict syntax checking |
About visudo
The `visudo` command safely edit the sudoers file with syntax checking. User management commands handle creation, modification, and deletion of user accounts and groups.
Multi-user access control is a core feature of Linux. These commands are essential for system administrators managing servers, enforcing security policies, and provisioning access for teams.
The command accepts 3 commonly used flags shown above, though the full set of options is available in the man page (`man visudo`). The 3 examples on this page cover typical real-world usage patterns that you can copy and adapt for your own workflows.
Related commands
More User Management Commands
Other commands in the User Management category