Which of the following commands moves and resumes in the background the last stopped shell job?
Which of the following commands moves and resumes in the background the last stopped shell job?A . runB . bgC . fgD . backView AnswerAnswer: B
Which of the following is the device file name for the second partition on the only SCSI drive?
Which of the following is the device file name for the second partition on the only SCSI drive?A . /dev/hda1B . /dev/sda2C . /dev/sd0a2D . /dev/sd1p2View AnswerAnswer: B
Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)
Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)A . esc ZZB . ctrl: w!C . esc zzD . esc: wq!E . ctrl XXView AnswerAnswer: A,D
What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?
What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?A . 9B . 19C . 49D . 99View AnswerAnswer: B
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process?
CORRECT TEXT Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)View AnswerAnswer: HISTFILE
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)A . shutdown -r nowB . shutdown -r "rebooting"C . telinit 6D . telinit 0E . shutdown -k now "rebooting"View AnswerAnswer: A,C
Which of the following commands displays the contents of a gzip compressed tar archive?
Which of the following commands displays the contents of a gzip compressed tar archive?A . gzip archive.tgz | tar xvf B . tar ztf archive.tgzC . gzip -d archive.tgz | tar tvf D . tar cf archive.tgzView AnswerAnswer: B
Which of the following commands is used to update the list of available packages when using dpkg based package management?
Which of the following commands is used to update the list of available packages when using dpkg based package management?A . apt-get updateB . apt-get upgradeC . apt-cache updateD . apt-get refreshE . apt-cache upgradeView AnswerAnswer: A
What is the output of the following command?
What is the output of the following command? echo "Hello World" | tr -d aieouA . Hello WorldB . eooC . Hll WrldD . eoo Hll WrldView AnswerAnswer: C
Which of the following settings for umask ensures that new files have the default permissions -rwr----- ?
Which of the following settings for umask ensures that new files have the default permissions -rwr----- ?A . 0017B . 0640C . 0038D . 0027View AnswerAnswer: D