# runuser > Run commands as a specific user and group without asking for password (needs root privileges). > More information: . - Run command as a different user: `runuser {{user}} -c '{{command}}'` - Run command as a different user and group: `runuser {{user}} -g {{group}} -c '{{command}}'` - Start a login shell as a specific user: `runuser {{user}} -l` - Specify a shell for running instead of the default shell (also works for login): `runuser {{user}} -s {{/bin/sh}}` - Preserve the entire environment of root (only if `--login` is not specified): `runuser {{user}} --preserve-environment -c '{{command}}'`