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?
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/etc/passwd
- What file stores encrypted user passwords?
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/etc/shadow
- Which command creates a new local user account?
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useradd
- Which command removes a user account?
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userdel
- Which command modifies existing user properties?
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usermod
- What UID is reserved for the root user?
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0
- Which command allows non-root users to run commands as root?
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sudo
- What file configures sudo permissions and access rules?
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/etc/sudoers
- What file stores local group information?
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/etc/group
- Which command adds a user to a secondary group?
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usermod -aG or gpasswd -a
- What UIDs below 1000 are typically reserved for?
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System accounts and services
- Which command sets password expiration policies?
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chage
- Which command locks a user account?
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usermod -L or passwd -l
- Which command unlocks a user account?
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usermod -U or passwd -u
- Which command lists currently running processes?
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ps