Unix problems
- 1. Which command is used to print a file?
Options- A. print
- B. prn
- C. pg
- D. lp
- E. None of the above Discuss
Correct Answer: lp
- 2. Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year?
Options- A. find -mtime +365 | rm
- B. grep (/usr/*) - mtime + 365 | -ok rm
- C. find -name - mtime + 365 / - ok rm
- D. find /user/* \(-mtime + 365 - a - atime +365 \) - OK rm {} \;
- E. None of the above Discuss
Correct Answer: find /user/* \(-mtime + 365 - a - atime +365 \) - OK rm {} \;
- 3. Which command is used to display the end of the file?
Options- A. head - r
- B. tail
- C. eof
- D. bof
- E. None of the above Discuss
Correct Answer: tail
- 4. Which command is used to display the device name of the terminal you are using?
Options- A. who
- B. ls
- C. tty
- D. stty
- E. None of the above Discuss
Correct Answer: tty
- 5. Which commands is used to assign executable permission to all of the files named "letter"?
Options- 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 Discuss
Correct Answer: chmod ugo+x letter
- 6. 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?
Options- 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 Discuss
Correct Answer: cp programs/wb misc/wbx
- 7. The command chmod 761 note is equivalent to
Options- A. chmod 167 note
- B. chmod u=rwx, g=rw, o=x note
- C. chmo a =761 note
- D. chmod 4=7, g=6,0 =1 note
- E. None of the above Discuss
Correct Answer: chmod u=rwx, g=rw, o=x note
- 8. The seventh field of /etc/password is
Options- A. password
- B. login
- C. shell
- D. home
- E. None of the above Discuss
Correct Answer: shell
- 9. Which command will be used with vi editor to replace single character under cursor with any number of characters?
Options- A. s
- B. S
- C. a
- D. i
- E. None of the above Discuss
Correct Answer: s
- 10. Which option will be used with disk free command to include the total amount of disk space in the file system?
Options- A. -t
- B. -tt
- C. -4
- D. -i
- E. None of the above Discuss
Correct Answer: -t
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