Linux Essentials

Which option for the usermod command can be used to specify a user’s group ID (either primary or...

Which of the following commands will add the group extra to the user bob’s secondary groups in...

The usermod command can be used to do all of the following except… …add a user to a supplementary...

The useradd command will create a home directory by default for a user. True or False? True False

On a system that does not use UPG, the useradd command will also create a user group. For example...

Which of the following options for the useradd command allows root to specify supplementary groups...

Which of the following options for the useradd command allows root to specify the UID to be...

If a user is deleted, the files and directories that the user owned… …will show a UID as the owner...

UIDs 1-500 are usually reserved for what kind of users? System accounts, such as server processes...

Which command can be used to view the /etc/passwd file entries? getent uppasswd uptime getpasswd

The /etc/shadow file contains plain-text passwords. True or False? True False

Which of the following commands will display how long the system has been running since the last...

In distributions that do not allow the root user to login directly or via the su command, the...

Sudo privileges can be used to specify which user can use the sudo command to execute commands as...

A user can belong to… Only five groups Only one group At least 16 groups Only groups with a GID...