Software Engineering Mcqs

Page No. 65

If a file has read and write permissions for the owner, then the octal representation of the permissions will be_________________?


a1


b6


c5


d3


View Answer 6

The command chmod 761 note is equivalent to_________________?


a chmod 167 note


bchmod u=rwx, g=rw, o=x note


cchmo a =761 note


dchmod 4=7, g=6,0 =1 note



The command to count the number of files in the current directory by using pipes, is_______________?


a ls | wc


bls -l | wc -l


cls | wc -w


dls | ws -c


View Answer ls | wc -w

Which command is used to print a file ?


aprint


bprn


cpg


dlp


View Answer lp

Which of the following commands can be used to get information about all users who are currently logged into the system ?


awhich


bwho


cwho am i


d1 /u


View Answer who

Which command is used to copy a file wb with the same name from the programs directory to the misc directory ?


acopy programs/wb misc/wb


bcp programs/wb misc


ctar programs/wb misc/wb


dcopy a:programs/wb b:misc/wb


View Answer cp programs/wb misc

Which of the following commands is used to get directory one level up ?


acd


bcd ..


ccd/


dchdir


View Answer cd ..

Which command will be used with vi editor to replace single character under cursor with any number of characters ?


as


bS


ca


di


View Answer s

Which of the following is not a filter ?


acat


bgrep


cwc


dNone of the above


View Answer None of the above

Which of the following commands is used to display your working directory ?


adir


bprompt $p$g


cpwd


dpath


View Answer path

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