# semanage-user > Manage SELinux user mappings. > See also: `semanage`, `semanage-login`. > More information: . - List all SELinux users: `sudo semanage user {{[-l|--list]}}` - Add a new SELinux user: `sudo semanage user {{[-a|--add]}} {{[-R|--roles]}} {{role_name}} {{selinux_user}}` - Delete a SELinux user: `sudo semanage user {{[-d|--delete]}} {{selinux_user}}` - Modify an existing SELinux user's roles: `sudo semanage user {{[-m|--modify]}} {{[-R|--roles]}} {{role_name}} {{selinux_user}}` - Add a SELinux user with a specific default level: `sudo semanage user {{[-a|--add]}} {{[-R|--roles]}} {{role_name}} {{[-L|--level]}} {{s0}} {{selinux_user}}` - Add a SELinux user with a specific MLS/MCS range: `sudo semanage user {{[-a|--add]}} {{[-R|--roles]}} {{role_name}} {{[-r|--range]}} {{s0-s0:c0.c1023}} {{selinux_user}}` - List only customized SELinux users: `sudo semanage user {{[-l|--list]}} {{[-C|--locallist]}}`