Software Engineering Mcqs

Page No. 59

The second set of the three permissions (r-) indicates that______________?


agroup has read permission only


bother has read permission only


cowner has read permission only


dgroup has write permission only



Which of the following commands is used to obtain a list of all files by modification time ?


als -1


bls -i


cls -t


dls -R


View Answer ls -t

Which of the following special shell variables is used to process number of the last background job ?


a$!


b$#


c0


d$*


View Answer $!

Which command is used to remove a file ?


aremove


brm


cmv


ddel


View Answer rm

Which symbol will be used with grep command to match the pattern pat at the beginning of a line ?


a^pat


b$pat


cpat$


dpat^


View Answer ^pat

Which command is used to remove the read permission of the file ‘note’ from both the group and others ?


achmod go+r note


bchmod go+rw note


cchmod go-x note


dchmod go-r note


View Answer chmod go-r note

What command is used with vi editor to delete three words ?


a$


b3 dw


c3 x


d3 dd


View Answer 3 dw

Which of the following command is used to mount NFS filesystems ?


anfsmount


bknfsd


cmount


dAll of the above


View Answer mount

Who founded the FSF?


aLinus Torvalds


bRichard Stallman


cBob Young


dAll of the above


View Answer Richard Stallman

The IP address are based on________________?


a16-bit addresses


b32-bit addresses


c64-bit addresses


d8-bit addresses


View Answer 32-bit addresses

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