Software Engineering Mcqs

Page No. 58

Layer one of the OSI model is_______________________?


anetwork layer


btransport layer


c physical layer


dphysical layer


View Answer physical layer

What command is used with vi editor to move back to the beginning of a word ?


aw


be


ca


db


View Answer b

What command is used to count the total number of lines, words, and characters contained in a file ?


acountw


bwcount


cwc


dcount p


View Answer wc

The cat command is used to_______________?


acapture a file


bdisplay a file


cprint a file


dcopy a file


View Answer display a file

Which of the following keys is used to delete the character beneath the cursor ?


ax


bX


cdd


dD


View Answer x

The UNIX file system stores a data in physical blocks of_______________?


a1024 bytes


b2048 bytes


c512 bytes


d256 bytes


View Answer 512 bytes

Which of the following commands is used to remove files ?


aerase


bdelete


cdelete


ddm


View Answer delete

Which command is used to assign only read permission to all three categories of the file ‘note’ ?


achmod go+r note


bchmod a-rw


cchmod ugo=r note


dchmod u+r,g+r,o-x note


View Answer chmod ugo=r note

The command that can be used to restrict incoming messages to a user is_______________?


amesg


bgrep


chalt


dsleep


View Answer mesg

Which of the following commands is used to rename a file ?


arename


bremove


cmv


dren


View Answer mv

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