Linux Bash Shell MCQ

Test your knowledge with important Linux Bash Shell MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Linux Bash Shell MCQs at Bissoy

• Which command executes ‘command’ in place of the current process instead of creating a new process?
  ক

  exec

  খ

  command

  গ

  trap

  ঘ

  none of the mentioned
• Which command generates possible completions for string according to the and write it to standard output?
  ক

  compgen

  খ

  complete

  গ

  continue

  ঘ

  none of the mentioned
• Which option of the command ‘cd’ use the actual filesystem path for cd.. and the value of pwd?
  ক

  -l

  খ

  -L

  গ

  -p

  ঘ

  -P
• Which command runs the shell built-in command ‘command’ with the given argument?
  ক

  builtin

  খ

  caller

  গ

  there is no command present for this purpose

  ঘ

  none of the mentioned
• Which command prints the accumulated user and system times for processes run from the shell?
  ক

  time

  খ

  times

  গ

  both time and times

  ঘ

  none of the mentioned
• Which command wait for the specified process to complete and return the exit status?
  ক

  sleep

  খ

  wait

  গ

  delay

  ঘ

  stop
• Which command identifies the resource of a command?
  ক

  type

  খ

  typeset

  গ

  select

  ঘ

  source
• The command ‘ulimit’
  ক

  set a limit on specified resource for system users

  খ

  set/show process resource limit

  গ

  set a limit on specified resource for system users & set/show process resource limit

  ঘ

  none of the mentioned
• Which command puts a script to sleep untill a signal is recieved?
  ক

  sleep

  খ

  suspend

  গ

  disown

  ঘ

  break
• Which command removes a directory from directory stack?
  ক

  dirs

  খ

  popd

  গ

  pushd

  ঘ

  rm
• Which option of the kill command sends the given signal name to the specified process?
  ক

  -l

  খ

  -n

  গ

  -s

  ঘ

  -a
• The ‘mapfile’ command
  ক

  reads lines of standard input and assigns each to the element of an indexed array

  খ

  reads lines of standard output file

  গ

  reads lines of standard error file

  ঘ

  none of the mentioned
• The command ‘umask -S’
  ক

  prints the current mask using symbolic notation

  খ

  prints the current mask using octal numbers

  গ

  sets the mask to 000

  ঘ

  sets the mask to 777
• The ‘logout’ built in command is used to
  ক

  shutdown the computer

  খ

  logoff of the computer

  গ

  logout the current user

  ঘ

  to exit the current shell
• The command ‘hash’
  ক

  manages a internal hash table

  খ

  find and remember the full path name of the specified command

  গ

  displays used command names and the number of hits

  ঘ

  all of the mentioned
• Which command concatenate the specified argument into a single command, then execute the command?
  ক

  fc

  খ

  eval

  গ

  exec

  ঘ

  getopts
• Which command can create environment variable?
  ক

  export

  খ

  set

  গ

  read

  ঘ

  none of the mentioned
• The command ‘enable -n ‘
  ক

  enables the specified built-in command

  খ

  disables the specified built-in command

  গ

  print the status of the command

  ঘ

  none of the mentioned
• The command ‘disown -r’
  ক

  removes all jobs

  খ

  removes all running jobs

  গ

  marks jobs to not receive SIGHUP when bash exits

  ঘ

  marks all jobs
• Which command prints the directory stack?
  ক

  cd

  খ

  dirs

  গ

  popd

  ঘ

  pushd
• Which statement resumes the next iteration of a for, while, select, or untill loop?
  ক

  continue

  খ

  break

  গ

  complete

  ঘ

  command
• The command ‘compgen -c’ shows
  ক

  all variable names

  খ

  all system wide aliases

  গ

  full list of all commands

  ঘ

  none of the mentioned
• What is the function of bind command in bash shell?
  ক

  defining new macros

  খ

  defining new key bindings for existing commands

  গ

  dumping the installed key bindings

  ঘ

  all of the mentioned
• Which command sets up shorthand for command or command line?
  ক

  set

  খ

  alias

  গ

  new

  ঘ

  echo
• Which command terminates a running process by name of the process?
  ক

  kill

  খ

  pkill

  গ

  killall

  ঘ

  none of the mentioned
• ‘stty tostop’ command will
  ক

  stop all jobs running in the shell

  খ

  stop background jobs if they try to send output to the terminal

  গ

  this is not a valid command

  ঘ

  none of the mentioned
• ‘kill %s’ command will
  ক

  terminate the job whose command line starts with s

  খ

  terminate the last job

  গ

  terminate the first job

  ঘ

  none of the mentioned
• Which command brings a background job into the foreground?
  ক

  fg

  খ

  bg

  গ

  jobs %1

  ঘ

  none of the mentioned
• Ctrl-Z key combination
  ক

  generates a SIGINT signal

  খ

  stops the process running in the shell

  গ

  kills the process running in the shell

  ঘ

  generates a SIGINT signal & kills the process running in the shell
• What is job number?
  ক

  same as PID

  খ

  a unique number, assigned to each job in shell

  গ

  same as PID and a unique number, assigned to each job in shell

  ঘ

  none of the mentioned