useradd, userdel, usedmod, users: refresh page (#7661)

pages/linux/userdel.md

@@ -1,21 +1,17 @@
 # userdel
 
 > Remove a user account or remove a user from a group.
-> Note: all commands must be executed as root.
+> See also: `users`, `useradd`, `usermod`.
 > More information: <https://manned.org/userdel>.
 
 - Remove a user:
 
-`userdel {{name}}`
-
-- Remove a user along with their home directory and mail spool:
-
-`userdel --remove {{name}}`
-
-- Remove a user from a group:
-
-`userdel {{name}} {{group}}`
+`sudo userdel {{username}}`
 
 - Remove a user in other root directory:
 
-`userdel --root {{path/to/other/root}} {{name}}`
+`sudo userdel --root {{path/to/other/root}} {{username}}`
+
+- Remove a user along with the home directory and mail spool:
+
+`sudo userdel --remove {{username}}`