A.mydate="${date}"

B.mydate="date"

C.mydate="$((date))"

D.mydate="$(date)"

E.mydate="exec date"

A.timeq

B.systemctl-timer show

C.timectl list

D.systemctl list-timers

E.systemctl -t

A.The -f option tests for a regular file. The -e option tests for an empty file.

B.The -f option tests for a regular file. The -e option tests for an executable file.

C.They are equivalent options with the same behaviour.

D.Both options check the existence of the path. The -f option also confirms that it is a regular file.

A.sendmail -l

B.lpq

C.mlq

D.mailq

A./etc/passwd

B./etc/gshadow

C./etc/shadow

D./etc/pwdlog

E./var/log/shadow