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Which command makes the shell variable named VARIABLE visible to subshells?A . export $VARIABLEB . export VARIABLEC . set $VARIABLED . set VARIABLEE . env VARIABLEView AnswerAnswer: B

When the command echo $ outputs 1, which of the following statements is true?A . It is the process ID of the echo command.B . It is the process ID of the current shell.C . It is the exit value of the command executed immediately before echo.D . It is...

The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?A . It is placed in curly brackets as in Section SectionName { ... }.B . It is placed between a line containing Section "SectionName" and a line containing EndSection.C...

What output will the following command produce? seq 1 5 20A . 1 6 11 16B . 1 5 10 15C . 1 2 3 4D . 2 3 4 5E . 5 10 15 20View AnswerAnswer: A

CORRECT TEXT What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)View AnswerAnswer: xorg.conf

Which command will set the local machine's timezone to UTC?A . cat UTC > /etc/timezoneB . ln -s /usr/share/zoneinfo/UTC /etc/localtimeC . date --timezone=UTCD . mv /usr/timezone/UTC /etcView AnswerAnswer: B

What keyword is missing from this code sample of a shell script? ____ i in *.txt; do echo $i doneA . forB . loopC . untilD . whileView AnswerAnswer: A

How is the file format of /etc/crontab different from a normal crontab file? (Select TWO correct answers)A . The /etc/crontab file can specify a year field.B . A normal crontab file must be installed with the crontab command.C . A normal crontab file allows for environment variable substitution.D . The...

What is the purpose of the Sticky Keys feature in X?A . To assist users who have difficulty holding down multiple keys at onceB . To prevent repeated input of a single character if the key is held downC . To ignore brief keystrokes according to a specified time limitD...

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 like new monitors or projectors when they are attached.C . Handle the login of a user.D ....