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: Feb 10, 2026

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Question 1

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 2

When running the commandsed -e "s/a/b/" /tmp/file >/tmp/fileWhile /tmp/file contains data, why is /tmp/file empty afterwards?

A : The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.

B : The command sed did not match anything in that file therefore the output is empty.

C : When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens it for reading.

D : Redirection for shell commands do not work using the > character. It only works using the | character instead.

Answer: C

Question 3

Which of the following commands is used to change options and positional parameters fora runningBash?

A : history

B : set

C : bashconf

D : setsh

E : envsetup

Answer: B

Question 4

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

A : silent

B : verbose=0

C : nomesg

D : quiet

Answer: D

Question 5

Which of the following are valid stream redirection operators within Bash? (Choose THREEcorrect answers.)

A :

B :

C : >

D : >>>

E : %>

Answer: A,B,C

Page: 1 / 52

Total 260 Questions | Updated On: Feb 10, 2026

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