Operating System Architecture Set 18

Computer Science Engineering (CSE)

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This set of Operating System Architecture Multiple Choice Questions & Answers (MCQs) focuses on Operating System Architecture Set 18

Q1 | Whcich command is used for word count
  • infile
  • file
  • wc
  • cp
Answer: wc
Q2 | The command for changing file owener is
  • chown
  • chgrp
  • chmod
  • cher
Answer: chown
Q3 | The command for changing group owner is
  • chown
  • chgrp
  • chmod
  • cher
Answer: chgrp
Q4 | The vi editor is working in which mode of following
  • command
  • input
  • ex
  • all of these
Answer: all of these
Q5 | command mode allows operation of
  • copy and delete
  • cut and copy
  • paste and delete
  • copy and cut
Answer: copy and delete
Q6 | Input mode is used for
  • to show text
  • to copy text
  • to provide command
  • all of these
Answer: to show text
Q7 | ex mode is used for
  • handling files and erform substitution
  • copy and delete
  • to show text
  • to hide text
Answer: handling files and erform substitution
Q8 | :x is used for
  • saving and editing
  • editing and aborting
  • writing
  • saving
Answer: saving and editing
Q9 | :q is used for
  • saving and editing
  • editing and aborting
  • writing
  • saving
Answer: editing and aborting
Q10 | :w is used for
  • saving and editing
  • editing and aborting
  • writing
  • saving
Answer: saving
Q11 | !cmd is used for
  • saving and editing
  • editing and aborting
  • to runs cmd and return to command prompt
  • saving
Answer: to runs cmd and return to command prompt
Q12 | which of the following are archive command
  • tar -c
  • tar-x
  • tar-t
  • all of these
Answer: all of these
Q13 | which command is used for creating an archive
  • tar -c
  • tar-x
  • tar-t
  • all of these
Answer: tar -c
Q14 | whicj command is used for displaying file in archieve
  • tar -c
  • tar-x
  • tar-t
  • all of these
Answer: tar-t
Q15 | which command is used for extracting file sfrom arcieve
  • tar -c
  • tar-x
  • tar-t
  • all of these
Answer: tar-x
Q16 | Which command is used for specifying archieve arch
  • tar -c
  • tar-x
  • tar-t
  • #name?
Answer: #name?
Q17 | the file access permission types are
  • r-- read
  • w-- write
  • x-- execute
  • all of these
Answer: all of these
Q18 | it --- means
  • no permission
  • execute only
  • writable only
  • writable and executable
Answer: no permission
Q19 | it --- x means
  • no permission
  • execute only
  • writable only
  • writable and executable
Answer: execute only
Q20 | it -w- means
  • no permission
  • execute only
  • writable only
  • writable and executable
Answer: writable only
Q21 | it -wx means
  • no permission
  • execute only
  • writable only
  • writable and executable
Answer: writable and executable
Q22 | it r-- means
  • readable
  • readable and executable
  • readable and writable
  • readable, writable and executable
Answer: readable
Q23 | it r-x means
  • readable
  • readable and executable
  • readable and writable
  • readable, writable and executable
Answer: readable and executable
Q24 | it rw- means
  • readable
  • readable and executable
  • readable and writable
  • readable, writable and executable
Answer: readable and writable
Q25 | It rwx means
  • readable
  • readable and executable
  • readable and writable
  • readable, writable and executable
Answer: readable, writable and executable
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