Free CompTIA LX0-103 Exam Dumps Questions & Answers

During a system boot cycle, what program is executed after the BIOS completes its tasks?

• A.The init program
• B.The bootloader
• C.The inetd program
• D.The kernel

Which character, added to the end of a command, runs that command in the background as a child process of the current shell?

• A.%
• B.&
• C.#
• D.!
• E.+

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

• A.The command sed did not match anything in that file therefore the output is empty.
• B.When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens it for reading.
• C.The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.
• D.Redirection for shell commands do not work using the > character. It only works using the | character instead.

Which shell command is used to continue background execution of a suspended command?

• A.&
• B.cont
• C.bg
• D.:&
• E.exec

Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)

• A.esc :wq!
• B.ctrl :w!
• C.esc zz
• D.esc ZZ
• E.ctrl XX