In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true? A. Without additional configuration, no users may have user specific crontabs. B. Without additional configura...

What is the purpose of the iconv command?

Which command can be used to delete a group from a Linux system? A. groupdel B. groupmod C. groups D. groupedit

Which of the following fields are available in both the global /etc/crontab file as well as in user-specific crontab files? (Select TWO correct answers)

The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow? A. * B. - C. s D. x

Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)

Which of the following steps prevents a user from obtaining an interactive login session? A. Run the command chsh -s /bin/false with the user name. B. Set the UID for the user to 0. C. Remove the use...

Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.) A. Start and prepare the desktop environment for the user. B. Configure additional devices...

What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)