Online Access Free LX0-103 Practice Test

After modifying GNU GRUB's configuration file, which command must be run for the changes to take effect?

• A.grub
• B.No action is required
• C.grub-install
• D.kill -HUP $(pidof grub)

Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

• A.chmod o+rwx,a+rx /bin/foo
• B.chmod 775 /bin/foo
• C.chmod 577 /bin/foo
• D.chmod u=rwx,go=rx /bin/foo

In Bash, inserting 1>&2 after a command redirects

• A.standard error to standard output.
• B.standard input to standard error.
• C.standard error to standard input.
• D.standard output to standard input.
• E.standard output to standard error.

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

• A.>
• B.<<<
• C.>>>
• D.%>
• E.<

Which of the following commands shows the definition of a given shell command?

• A.case
• B.stat
• C.where
• D.type