Unix Commands Test Online - Set 02 - ObjectiveBooks
Unix Commands Test Online - Set 02

Unix Commands Test Online - Set 02

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Practice Test: Question Set - 02

1. Which of following commands is used for an automatic reminder service?
    (A) write
    (B) mesg
    (C) calendar
    (D) mail
2. While working with mail command, which command is used to save mail in a separate file?
    (A) s
    (B) r
    (C) w
    (D) d
3. Which of the following commands can be used to get information about yourself?
    (A) who am i
    (B) i /4
    (C) pwd
    (D) which
4. Which of the following keys is used to delete the character beneath the cursor?
    (A) x
    (B) X
    (C) dd
    (D) D
5. The cp command uses:
    (A) Standard input file
    (B) Standard output file
    (C) Both input and output file
    (D) Neither standard input nor standard output file
6. Which command is used to locate all the .profile files in the system?
    (A) ls profile
    (B) find /-name profile -print
    (C) cd /.profile
    (D) l -u .profile
7. Which command is used to display all the lines with the string 'sales' from the file empl.lst?
    (A) cut sales empl.lst
    (B) /sales > empl.lst
    (C) grep sales empl.lst
    (D) cat | /sales > empl.lst
8. Which symbol will be used with grep command to match the pattern pat at the beginning of a line?
    (A) ^pat
    (B) $pat
    (C) pat$
    (D) pat^
9. Which of the following files contains information related to password aging?
    (A) Shadow
    (B) Password
    (C) Profile
    (D) All the three
10. The [line number G] key allows you
    (A) To move cursor left by one position
    (B) To move cursor right by one position
    (C) To move cursor down by one line
    (D) To move cursor to the beginning of the line specified by the number
11. Which command sends the word count of the file infile to the newfile.
    (A) wc infile >newfile
    (B) wc <infile >newfile
    (C) wc infile - newfile
    (D) wc infile | newfile
12. Which option is used with the chmod command recursively to all files and sub-directories in a directory?
    (A) -l
    (B) -i
    (C) -x
    (D) -R
13. The special shell variable $* is used
    (A) To exit status of last command executed
    (B) To process number of the current shell
    (C) To list the positional parameters
    (D) To name the command being executed
14. Which of the following is not a communication command?
    (A) write
    (B) mesg
    (C) mail
    (D) grep
15. Which set option is used with vi editor to display line numbers on screen?
    (A) nm
    (B) nu
    (C) ic
    (D) li
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