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Understanding command line shell

Q. I’ve migrated from Windows NT to Linux workstation. Most documents refer to a command line shell. Can you explain me command line shell?

A. A shell allows you to type the commands such as date or clear. There are many shell available. BASH (bourne again shell) is default shell for most Linux distributions.

It also known as a command interpreter which takes command from user and pass the same to kernel for execution. Bash shell supports aliases, filename completion, command history, POSIX compatibility and many other features.

Other UNIX / Linux shell

  • csh / tcsh
  • sh / ksh
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{ 2 comments… add one }

  • kpb February 24, 2009, 1:46 am

    What shell do you use most often, or do you have a preference?
    Did you see bash 4.0 was released today?

    • nixCraft February 24, 2009, 6:58 am


      No, I’ve not tried out bash 4.0.

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