Information Technology Reference
In-Depth Information
Question 4
Enter the command that can be used to display the jobs on the
at
queue.
The correct answer is
atq
.
Question 5
What is the order of the fields in a
crontab
file?
❍
A.
month, day, hour, minute, weekday, command
❍
B.
command, weekday, minute, hour, day, month
❍
C.
minute, hour, day, month, weekday, command
❍
D.
second, minute, hour, day, month, weekday, command
The correct answer is C. Answers A and B contain all the correct fields but
are not in the correct order. Answer D lists an extra field (second), which is
not a valid field of a
crontab
file.
Question 6
What command is used to remove
at
jobs from the queue?
❑
A.
atq
❑
B.
atrm
❑
C.
atdel
❑
D.
crontab -d
The correct answer is B. Answer A is the command used to display the jobs
on the queue. Answers C and D are not valid commands.
Question 7
Which command can be used to schedule command execution using a.m./p.m.
time notation?
The correct answer is
at
.