Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?
Answer : B
Regarding the command:
nice -5 /usr/bin/prog
Which of the following statements is correct?
Answer : B
Which character, added to the end of a command, runs that command in the background as a child process of the current shell?
Answer : C
Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)
See Below Explanation:
Answer : A
Which utility would be used to change how often a filesystem check is performed on an ext2 filesystem without losing any data stored on that filesystem?
Answer : C
Which of the following apt-get commands will install the newest versions of all currently installed packages?
Answer : C
In Bash, inserting 2>&1 after a command redirects:
Answer : C