Free Linux Foundation LFCS Exam Questions

Become Linux Foundation Certified with updated LFCS exam questions and correct answers

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Total 260 Questions | Updated On: May 24, 2026

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Question 1

When the command echo $$ outputs 12942, what is the meaning of 12942?

A : It is the process ID of the echo command.

B : It is the process ID of the current shell.

C : It is the process ID of the last command executed.

D : It is the process ID of the last command which has been placed in the background.

Answer: B

Question 2

Which of the following are requirements in order to run a shell script like a regularcommand from anywhere in the filesystem? (Choose THREE correct answers.)

A : The user issuing the command must be in the group script.

B : The script file must be found in the $PATH.

C : The script file must have the executable permission bit set.

D : The script must begin with a shebang-line (#!) that points to the correct interpreter.

E : The file system on which the script resides must be mounted with the option scripts.

Answer: B,C,D

Question 3

Which of the following commands will send output from the program myapp to bothstandard output (stdout) and the file file1.log?

A : cat < myapp | cat> file1.log

B : myapp 0>&1 | cat > file1.log

C : myapp | cat > file1.log

D : myapp | teefile1.log

E : tee myapp file1.log

Answer: D

Question 4

Which of the following tasks can be accomplished using the command date? (ChooseTWO correct answers.)

A : Synchronize the hardware and system clocks.

B : Output date and time in different formats.

C : Set the system clock.

D : Set the hardware clock.

E : Update the time via NTP.

Answer: B,C

Question 5

Which configuration file would be edited to change default options for the OpenSSHserver?

A : /etc/ssh/sshd_config

B : /etc/ssh/ssh

C : /etc/ssh/server

D : /etc/ssh/ssh_config

E : /etc/ssh/ssh_server

Answer: A

Page: 1 / 52

Total 260 Questions | Updated On: May 24, 2026

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