Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope? (Specify the variable name only.)
A. TZ
Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)
A. --from=
B. --since=
C. --until=
D. --upto=
E. --date=
Which of the following commands is used to update the list of available packages when using dpkg based package management?
A. apt-get update
B. apt-get upgrade
C. apt-cache update
D. apt-get refresh
E. apt-cache upgrade
What do the permissions -rwSr-xr-x mean for a binary file when it is executed as a command?
A. The command is SetUID and it will be executed with the effective rights of the owner.
B. The command will be executed with the effective rights of the group instead of the owner.
C. The execute flag is not set for the owner. Therefore the SetUID flag is ignored.
D. The command will be executed with the effective rights of the owner and group.
In the vi editor, which of the following commands will copy the current line into the vi buffer?
A. c
B. cc
C. 1c
D. yy
E. 1y
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
Whenremoving a package, which of the following dpkg options will completely remove the files including configuration files?
A. --clean
B. --delete
C. --purge
D. –remove
Given a file called birthdays containing lines like:
YYYY-MM-DD Name
1983-06-02 Tim
1995-12-17 Sue
Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?
A. grep '[56]' birthdays
B. grep 05?6? birthdays
C. grep '[0-9]*-0[56]-' birthdays
D. grep 06 birthdays | grep 05
Which of the following commands lists the dependencies of a given dpkg package?
A. apt-cache depends-on package
B. apt-cache dependencies package
C. apt-cache depends package
D. apt-cache requires package
Which of the following commands will change the quota for a specific user?
A. edquota
B. repquota
C. quota -e
D. quota
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