User management, process control, and package management concepts tested on Linux system administration certification exams.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What file stores local user account information?
- /etc/passwd
- What file stores encrypted user passwords?
- /etc/shadow
- Which command creates a new local user account?
- useradd
- Which command removes a user account?
- userdel
- Which command modifies existing user properties?
- usermod
- What UID is reserved for the root user?
- 0
- Which command allows non-root users to run commands as root?
- sudo
- What file configures sudo permissions and access rules?
- /etc/sudoers
- What file stores local group information?
- /etc/group
- Which command adds a user to a secondary group?
- usermod -aG or gpasswd -a
- What UIDs below 1000 are typically reserved for?
- System accounts and services
- Which command sets password expiration policies?
- chage
- Which command locks a user account?
- usermod -L or passwd -l
- Which command unlocks a user account?
- usermod -U or passwd -u
- Which command lists currently running processes?
- ps