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labs:custom_prompt [2009/09/24 19:45] – admin | labs:custom_prompt [2022/01/28 16:59] (current) – [Bash Escape Sequences] admin | ||
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You will need to edit your '' | You will need to edit your '' | ||
- | You will define a PS1 variable and export it. | + | You will define a '' |
===== Bash Escape Sequences ===== | ===== Bash Escape Sequences ===== | ||
+ | |||
+ | The allowed escape sequences allowed in the Bash prompt are decoded as follows: | ||
\a an ASCII bell character (07) | \a an ASCII bell character (07) | ||
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\h the hostname up to the first `.' | \h the hostname up to the first `.' | ||
\H the hostname | \H the hostname | ||
- | \j | + | \j |
- | shell | + | \l the basename of the shell' |
- | \l the basename of the shell' | + | |
- | name | + | |
\n | \n | ||
\r | \r | ||
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| | ||
\w the current working directory | \w the current working directory | ||
- | \W | + | \W |
- | tory | + | |
\! the history number of this command | \! the history number of this command | ||
\# the command number of this command | \# the command number of this command | ||
- | \$ if the effective UID is 0, a #, otherwise | + | \$ if the effective UID is 0, a #, otherwise a $ |
- | $ | + | \nnn |
- | \nnn | + | |
- | number nnn | + | |
\\ a backslash | \\ a backslash | ||
\[ begin a sequence of non-printing characters, | \[ begin a sequence of non-printing characters, | ||
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trol sequence into the prompt | trol sequence into the prompt | ||
\] end a sequence of non-printing characters | \] end a sequence of non-printing characters | ||
+ | ===== Color Codes ===== | ||
+ | |||
+ | |Black | ||
+ | |Red | ||
+ | |Green | ||
+ | |Brown | ||
+ | |Blue | ||
+ | |Purple | ||
+ | |Cyan | 0;36 || Light Cyan | 1;36| | ||
+ | |Light Gray | 0;37 || White | ||
===== Examples ===== | ===== Examples ===== | ||
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PS1=' | PS1=' | ||
- | # With Color: | + | Look at the escape sequences above to help you determine what the above prompt description means. |
- | PS1=" | + | |
+ | '' | ||
PS1=" | PS1=" | ||
+ | |||
+ | This one would look like hostname: | ||
+ | |||
+ | **With Color: | ||
+ | |||
+ | PS1=" | ||
+ | |||
export PS1=" | export PS1=" | ||