Where can Linux take you?

Can you answer a few simple linux questions?

if the answer is yes to all or most of these, I'm curious what your job is........




If you wanted to turn off mail notification, what command would you use?

  mesg n
  mesg off
  biff n
  notify off
  set notify=off


Which of these commands could you use to show one page of output at a time?

  more
  sed
  pause
  less
  grep


Which commands will give you information about how much disk space each file in the current directory uses?

  ls
  ls -l
  ls -a
  ls -la
  du .


What command would send the output of cmd1 to the input of cmd2?

  cmd1 cmd2
  cmd1 ; cmd2
  cmd1 | cmd2
  cmd1 || cmd2
  cmd1 && cmd2


Under the bash shell, when a command is running, pressing control-Z will usually

  adds an EOF to the file.
  suspend the foreground task.
  kill the command running in the foreground
  move the foreground task into the background
  log the user off


What is the 'man' command used for?

  it is the replacement for the 'boy' command
  it is a standard alias to 'ls -la | more'
  it is used to display formatted html pages
  to display information about the syntax for a command



In which file might you find the following entry: root:x:0:0::/root:/bin/bash



As root, what command would you type to initiate a password change for user larry?


Under the bash shell which is the most appropriate place to set environment variables that apply to all users?

  rc.local
  rc.sysinit
  /etc/skel
  /etc/profile
  /etc/bashrc


Which statement describes the cron daemon?

  Manages all incoming connections and spawns off child processes
  Is responsible for file sharing across a network
  Manages scheduling of routine system tasks
  Manages the printing subsystem
  Keeps track of system messages and errors


Which of the following are valid block devices on most default linux distributions?

  loopback devices
  serial ports
  virtual terminals
  tape devices
  hard disks



How can you best see how much free space you have in your current directory?

  Use df
  Use df .
  Use df /
  Use du .
  Use du /


Which command would you use to alter the permissions of a file (do not give any parameters)


Which command will update the slocate database as a background process?

  updatedb &
  slocate --start &
  slocate --update &
  slocate --updatedb &
  slocatedb


Having booted into run level 3, how would you change to run level 5 without rebooting?

  startx
  run 5
  ALT-F7-5
  setinit 5
  telinit 5