Free Access LinuxFoundation.LFCS.v2022-02-12.q121 Practice Test (Page 16)

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

A..history_bash

B..history

C..bash_history

D..bash_histfile

E..bashrc_history

When the command echo $ outputs 1, which of the following statements is true?

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

B.It is the exit value of the command executed immediately before echo.

C.It is the process ID of the current shell.

D.It is the exit value of the echo command.

Which of the following commands will write a message to the terminals of all logged in users?

A.yell

B.mesg

C.wall

D.bcast

E.print

Which of the following find commands will print out a list of files owned by root and with the SUID bit set in /usr?

A.find /usr -uid 0 -perm +4000

B.find -type suid -username root -d /usr

C.find /usr -ls \*s\* -u root

D.find /usr -suid -perm +4000

E.find -user root +mode +s /usr

To prevent a specific user from scheduling tasks with at, what should the administrator do?

A.Add the specific user to /etc/at.allow file.

B.Run the following: atd --deny [user].

C.Add the specific user to nojobs group.

D.Add the specific user to /etc/at.deny file.

E.Add the specific user to [deny] section in the /etc/atd.conf file.

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