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  • Question
  • Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field?


  • Options
  • A. -m.n
  • B. +m.n
  • C. + n.m+1
  • D. +(m+l).n
  • E. None of the above

  • Correct Answer
  • +m.n 


  • Unix problems


    Search Results


    • 1. Which of the following commands is used to list contents of directories?

    • Options
    • A. ls
    • B. lp
    • C. dir
    • D. tar
    • E. None of the above
    • Discuss
    • 2. Which option is used with rm command to make the command prompt the user with each filename and a?, before acting on it

    • Options
    • A. -r
    • B. -x
    • C. -i
    • D. -1
    • E. None of the above
    • Discuss
    • 3. Which command sends the word count of the file infile to the newfile.

    • Options
    • A. wc infile >newfile
    • B. wc <infile >newfile
    • C. wc infile - newfile
    • D. wc infile | newfile
    • E. None of the above
    • Discuss
    • 4. The field separator in cut command is specified with

    • Options
    • A. -a option
    • B. -d option
    • C. -r option
    • D. -x option
    • E. None of the above
    • Discuss
    • 5. Which command is used to extract specific columns from the file?

    • Options
    • A. cat
    • B. cut
    • C. grep
    • D. paste
    • E. None of the above
    • Discuss
    • 6. Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?

    • Options
    • A. cat emp[!0-9]
    • B. more [emp][!0-9]
    • C. cat emp[x-z]
    • D. cat emp[a-z]
    • E. None of the above
    • Discuss
    • 7. Which command is used to copy all files having the string chap and any two characters after that to the progs directory?

    • Options
    • A. cp chap?? progs
    • B. cp chap* progs
    • C. cp chap[12] /progs/*.*
    • D. cp chap?? /progs/*
    • E. None of the above
    • Discuss
    • 8. Which command is used to display and create files?

    • Options
    • A. cat
    • B. vi
    • C. ed
    • D. lyrix
    • E. None of the above
    • Discuss
    • 9. Which of the following commands is used to display the directory attributes rather than its contents?

    • Options
    • A. ls -l -d
    • B. ls -l
    • C. ls -x
    • D. ls -F
    • E. None of the above
    • Discuss
    • 10. Which command is used to remove a file?

    • Options
    • A. remove
    • B. rm
    • C. mv
    • D. del
    • E. None of the above
    • Discuss


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