Continue your lesson
Connect the command you run to the file, process, service, permission, or kernel state it changes.
Block 1 of 1Compare useradd · usermod · chage · getent
Current · 11 min
Compare useradd · usermod · chage · getent
Optional concept notes
useradd
Creates a local account using specified and default properties.
usermod
Changes properties such as groups shell or login for an account.
chage
Views or changes password aging and account expiration values.
getent
Queries configured name-service databases such as passwd and group.
Complete one provider lesson, then answer four related questions. That is enough for today; more practice is optional.
Your lesson stays open here while the provider opens in another tab. Choose one source; the notes above are optional.
Practice the reasoning here
Use a disposable Linux system. Predict a command's effect, run it, inspect exit status and logs, then restore the starting state.
- State the expected result before changing or testing anything.
- Name the observation, command, log, or report that would confirm it.
- Explain why the closest alternative does not fit the same requirement.
Check the whole objective
This unlocks objective 2.2 for recall. The latest checkpoint needs 70% or higher; a lower result puts the lesson back near the front of your timeline.