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CSE :: Unix

  1. Which of the following files contains information related to password aging?

  2. A.
    Shadow
    B.
    password
    C.
    profile
    D.
    All the three
    E.
    None of the above

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  3. Which command will be used with vi editor to replace text from cursor to right?

  4. A.
    r
    B.
    R
    C.
    s
    D.
    S
    E.
    None of the above

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  5. Which of the following commands is used to rename a file?

  6. A.
    rename
    B.
    remove
    C.
    mv
    D.
    ren
    E.
    None of the above

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  7. Which of the following is not a filter?

  8. A.
    cat
    B.
    grep
    C.
    wc
    D.
    sort
    E.
    None of the above

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  9. Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

  10. A.
    copy programs/wb misc/wbx
    B.
    cp programs/wb misc/wbx
    C.
    tar programs/wb misc/wbx
    D.
    copy a:programs/wb b:misc/wbx
    E.
    None of the above

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  11. Which command is used to list all the files with extension .lst?

  12. A.
    ls -l *.lst
    B.
    ls lst*
    C.
    ls *.*
    D.
    ls *[lst]
    E.
    None of the above

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  13. Which option is used with the chmod command recursively to all files and sub-directories in a directory?

  14. A.
    -1
    B.
    -i
    C.
    -x
    D.
    -R
    E.
    None of the above

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  15. Which command is used to change directory to the name beginning with a 'p'?

  16. A.
    cd p
    B.
    cd p?
    C.
    cd p*
    D.
    cd [p]
    E.
    None of the above

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  17. Which of the following is invalid filename?

  18. A.
    shutry
    B.
    TRY
    C.
    trial
    D.
    my .file
    E.
    None of the above

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  19. Which commands is used to assign executable permission to all of the files named "letter"?

  20. A.
    chmod ugo+r letter
    B.
    chmod ugo+rw letter
    C.
    chmod u+x letter
    D.
    chmod ugo+x letter
    E.
    None of the above

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