Online Access Free LX0-103 Exam Questions

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.Redirection for shell commands do not work using the > character. It only works using the | character instead.
• 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.The command sed did not match anything in that file therefore the output is empty.

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

• A.cat < myapp | cat > file1.log
• B.myapp | tee file1.log
• C.myapp 0>&1 | cat > file1.log
• D.tee myapp file1.log
• E.myapp | cat > file1.log

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

• A.Linux kernel version
• B.Hardware configuration
• C.Timezone
• D.Boot device order
• E.The system's hostname

Which of the following statements is correct when talking about /proc/?

• A.All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
• B.All files within /proc/ are only readable by the root user.
• C.All files within /proc/ are read-only and their contents cannot be changed.
• D.All changes to files in /proc/ are immediately recognized by the kernel.

Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

• A.find /tmp -user root
• B.find -path /tmp -uid root
• C.find /tmp -uid root -print
• D.find /tmp -user root -print
• E.find -path /tmp -user root-print