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MCQs

Total Questions : 296 | Page 30 of 30 pages
Question 291. The chmod ugo+rw note command can be represented in octal notation as
  1.    chmod 555 note
  2.    chmod 666 note
  3.    chmod 444 note
  4.    chmod 333 note
 Discuss Question
Answer: Option B. -> chmod 666 note
Question 292. Unix operating system is written in
  1.    Ada Language
  2.    Perl Language
  3.    C Language
  4.    Pascal Language
 Discuss Question
Answer: Option C. -> C Language
Question 293. Which of the following commands is used to display the directory attributes rather than its contents?
  1.    ls -l -d
  2.    ls -l
  3.    ls -x
  4.    ls -F
 Discuss Question
Answer: Option A. -> ls -l -d
Question 294. Which command is used to copy all files having the string chap and any two characters after that to the progs directory?
  1.    cp chap?? progs
  2.    cp chap* progs
  3.    cp chap[12] /progs/*.*
  4.    cp chap?? /progs/*
 Discuss Question
Answer: Option A. -> cp chap?? progs
Question 295. Which command is used to extract specific columns from the file?
  1.    cat
  2.    cut
  3.    grep
  4.    paste
 Discuss Question
Answer: Option B. -> cut
Question 296. The following command can list out all the current active logins
  1.    whoami
  2.    who am i
  3.    who
  4.    None of the above.
 Discuss Question
Answer: Option C. -> who

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