• PS1="Worlds Best Hacker: "
  • L in u X ba sics for h acke rs g e t t I n g s t a r t e d w I t h




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    linuxbasicsforhackers

    75
    Changing Your Shell Prompt
    Your shell prompt, another environment variable, provides you with useful 
    information such as the user you’re operating as and the directory in which 
    you’re currently working. The default shell prompt in Kali takes the follow-
    ing format:
    username@hostname:current_directory #
    If you’re working as the root user, this translates to the following 
    default prompt:
    root@kali:current_directory #
    You can change the name in the default shell prompt by setting the 
    value for the 
    PS1
    variable. The 
    PS1
    variable has a set of placeholders for 
    information you want to display in the prompt, including the following:
    \u
    The name of the current user
    \h
    The hostname
    \w
    The base name of the current working directory
    This is very useful if you happen to have shells on multiple systems or 
    are logged on as multiple accounts. By using the 
    \u
    and 
    \h
    values, you can 
    tell at a glance who you are and what your current system is.
    Let’s have a little fun and change the prompt in your terminal. For 
    example, you could enter the following:
    kali >PS1="World's Best Hacker: #"
    World's Best Hacker: #
    Now, every time you use this terminal, you’ll be reminded that you are 
    the “World’s Best Hacker.” But any subsequent terminal you open will still 
    have the default command prompt, because the 
    PS1
    variable only holds val-
    ues for your terminal session. Remember, until you export a variable, it is 
    only good for that session. If you really like this new command prompt and 
    want to continue to use it, you need to export it, like so:
    kali >export PS1
    How about a little more fun? Say you really want your terminal to look 
    like a Windows 
    cmd
    prompt. In this case, you could change the prompt name 
    to 
    C:
    and keep the 
    \w
    to have the prompt show your current directory, as 
    shown in Listing 7-2.



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