101-500 Free Practice Test

- (Exam Topic 4)
Pressing the Ctrl-C combination on the keyboard while a command is executing in the foreground sends which of the following signal codes?

1. A. 1(SIGHUP)
2. B. 2(SIGINT)
3. C. 3(SIGQUIT)
4. D. 9(SIGKILL)
5. E. 15(SIGTERM)

Correct Answer: B

- (Exam Topic 4)
Which of the following is a limitation of the cut command?

1. A. Thecutcommand can only select output by field position.
2. B. Thecutcommand cannot reorder fields.
3. C. Thecutcommand only works on ASCIItext.
4. D. Thecutcommand cannot use different input and output delimiters.

Correct Answer: B

- (Exam Topic 3)
Which variable defines the directories in which a Bash shell searches for executable commands?

1. A. BASHEXEC
2. B. BASHRC
3. C. PATH
4. D. EXECPATH
5. E. PATHRC

Correct Answer: C

- (Exam Topic 4)
Which of the following command lines creates or, in case it already exists, overwrites a file called data with the output of ls?

1. A. ls 3> data
2. B. ls >& data
3. C. ls > data
4. D. ls >> data

Correct Answer: C

- (Exam Topic 4)
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

1. A. chmod +s /tmp
2. B. chmod +t /tmp
3. C. chmod 1775 /tmp
4. D. chmod 4775 /tmp
5. E. chmod 2775 /tmp

Correct Answer: BC