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- Question
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
- Correct Answer
- cp chap?? progs
- 1. 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
- 2. 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 Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. Which command is used to display and create files?
Options- A. cat
- B. vi
- C. ed
- D. lyrix
- E. None of the above Discuss
- 7. 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
- 8. Which command is used to remove a file?
Options- A. remove
- B. rm
- C. mv
- D. del
- E. None of the above Discuss
- 9. While working with mail command, which command is used to save mail in a separate file?
Options- A. s
- B. r
- C. w
- D. d
- E. None of the above Discuss
- 10. The cp command uses:
Options- A. standard input file
- B. standard output file
- C. both input and output file
- D. neither standard input nor standard output file
- E. None of the above Discuss
Unix problems
Search Results
Correct Answer: cat emp[!0-9]
Correct Answer: +m.n
Correct Answer: ls
Correct Answer: -i
Correct Answer: wc infile >newfile
Correct Answer: cat
Correct Answer: ls -l -d
Correct Answer: rm
Correct Answer: s
Correct Answer: neither standard input nor standard output file
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