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: Jan 12, 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 kernel parameters instructs the kernel to suppress most boot messages?

A : silent

B : verbose=0

C : nomesg

D : quiet

Answer: D

Question 3

Which of the following files, located in the user home directory, is used to store the Bashhistory?

A : .bash_history

B : .bash_histfile

C : .history

D : .bashrc_history

E : .history_bash

Answer: A

Question 4

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 5

Which of the following environment variables overrides or extends the list of directoriesholding shared libraries?

A : LD_LOAD_PATH

B : LD_LIB_PATH

C : LD_LIBRARY_PATH

D : LD_SHARE_PATH

E : LD_RUN_PATH

Answer: C

Page: 1 / 52

Total 260 Questions | Updated On: Jan 12, 2026

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