Lpi LPI Certifications 101-500 Questions & Answers

• Question 141:

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

  A. and

  B. bg

  C. cont

  D. exec

  E. :and

  Correct Answer: B

• Question 142:

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

  A. 2>and1 >filename

  B. >filename 2>and1

  C. 1>and2>filename

  D. >>filename

  E. 1and2>filename

  Correct Answer: B

• Question 143:

  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.)

  A. source /usr/local/bin/runme.sh

  B. . /usr/local/bin/runme.sh

  C. /bin/bash /usr/local/bin/runme.sh

  D. /usr/local/bin/runme.sh

  E. run /usr/local/bin/runme.sh

  Correct Answer: AB

• Question 144:

  Regarding the command:

  nice -5 /usr/bin/prog

  Which of the following statements is correct?

  A. /usr/bin/prog is executed with a nice level of -5.

  B. /usr/bin/prog is executed with a nice level of 5.

  C. /usr/bin/prog is executed with a priority of -5.

  D. /usr/bin/prog is executed with a priority of 5.

  Correct Answer: B

• Question 145:

  Which of the following commands is used to change options and positional parameters for a running Bash?

  A. history

  B. set

  C. bashconf

  D. setsh

  E. envsetup

  Correct Answer: B

• Question 146:

  Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

  A. sed '/bob/Bob' letter > newletter

  B. sed s/bob/Bob/ letter < newletter

  C. sed's/bob/Bob' letter > newletter

  D. sed 's/bob/Bob/g' letter > newletter

  E. sed 's/bob, Bob/' letter > newletter

  Correct Answer: D

• Question 147:

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

  A. .bash_history

  B. .bash_histfile

  C. .history

  D. .bashrc_history

  E. .history_bash

  Correct Answer: A

• Question 148:

  Which of the following commands displays the contents of a gzip compressed tar archive?

  A. gzip archive.tgz | tar xvf

  B. tar ztf archive.tgz

  C. gzip -d archive.tgz | tar tvf

  D. tar cf archive.tgz

  Correct Answer: B

• Question 149:

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

  A. grep'/$' foo

  B. grep '/#' foo

  C. grep -v '/$' foo

  D. grep -v '/#' foo

  Correct Answer: C

• Question 150:

  In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

  A. By using the command :repeat followed by the number and the command.

  B. By specifying the number right in front of a command such as 4l or 2yj.

  C. By selecting all affected lines using the shift and cursor keys before applying the command.

  D. By issuing a command such as :set repetition=4 which repeats every subsequentcommand 4 times.

  Correct Answer: B