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Exam Code: 010-150 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Linux Essentials
Certification Provider: LPI
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Q41. Which of the following commands will output all of the lines with the name Fred in upper or lower case but not the word red from the file data_file? (Choose two)
A. grep -v fred data_file
B. grep '[f]red' data_file
C. egrep fred data_file
D. grep '[Ff]red' data_file
E. grep -i fred data_file
Answer: D, E
Q42. When a new user is added, where does his user ID gets stored?
Q43. What is the command that will show system boot time messages?
D. display system boot
Q44. Which of the following commands will display a list all files in the current directory including the hidden files?
A. ls -a
B. ls --hidden
C. ls -h
D. ls –a
Q45. What is the output of the following command sequence? for token in a b c; do echo -n "$token "; done
B. a b c
C. "a " "b " "c "
D. token token token
Q46. Which command shows all of the directories that the shell searches for programs?
A. less $PWD B. echo $PATH
C. more $ALL_PATH
D. get $PATH
E. cat $PATH
Q47. You have a program called /usr/bin/foo. You wish to create a symbolic link, /home/user/foo, that points to it. Which command will do this task?
A. ln -sym /home/user/foo /usr/bin/foo
B. ln -s /usr/bin/foo /home/user/foo
C. ln /home/user/foo /usr/bin/foo
D. ln /usr/bin/foo /home/user/foo
E. ln --symlink /home/user/foo /usr/bin/foo
Q48. How can the normal output of a command be written to a file while discarding the error output?
A. command >2>file 1&>/dev/null
B. command < output > /dev/null
C. command > discard-error > file
D. command > /dev/null 2&>1 output
E. command >file 2>/dev/null