LPI Linux Administrator LPIC-1 101-500 Dumps

Passing the 101-500 exam successfully to get the LPIC-1 certification offers a great opportunity to prove your expertise and abilities to perform a certain task successfully.

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

• cat < myapp | cat > file1.log
• myapp 0>&1 | cat > file1.log
• myapp | cat > file1.log
• myapp | tee file1.log
• tee myapp file1.log

02. Which of the following shell redirections will write standard output and standard error output to a file named filename?

• 2>&1 >filename
• >filename 2>&1
• 1>&2>filename
• >>filename
• 1&2>filename

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

• esc ZZ
• ctrl :w!
• esc zz
• esc :wq!
• ctrl XX

04. Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)

• uptime
• up
• top
• uname -u
• time Cup

05. Which of the following commands will reduce all consecutive spaces down to a single space?

• tr 's' ' ' < a.txt > b.txt
• tr -c ' ' < a.txt > b.txt
• tr -d ' ' < a.txt > b.txt
• tr -r ' ' '
• ' < a.txt > b.txt
• tr -s ' '< a.txt > b.txt

06. From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

• source /usr/local/bin/runme.sh
• . /usr/local/bin/runme.sh
• /bin/bash /usr/local/bin/runme.sh
• /usr/local/bin/runme.sh
• run /usr/local/bin/runme.sh

07. Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

• fmt -f 1,4 /etc/passwd
• split -c 1,4 /etc/passwd
• cut -d : -f 1,4 /etc/passwd
• paste -f 1,4 /etc/passwd

08. When running the command

sed -e "s/a/b/" /tmp/file >/tmp/file

While /tmp/file contains data, why is /tmp/file empty afterwards?

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

09. Which of the following explanations are valid reasons to run a command in the background of your shell?

• The command does not need to execute immediately.
• The command has to run immediately but the user needs to log out.
• The system is being shut down and the command needs to restart execution immediately after the reboot.
• The command can run at a lower priority than normal commands run on the command line.

10. Which grep command will print only the lines that do not end with a / in the file foo?

• grep'/$' foo
• grep '/#' foo
• grep -v '/$' foo
• grep -v '/#' foo

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