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Old 12-15-2010, 08:51 AM   #1
Kenny_Strawn
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PS1 variable


Just what is the PS1 shell variable and what does it do? I know when I modify it the command prompt changes, but I'm not sure.
 
Old 12-15-2010, 08:53 AM   #2
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PS1 stands for "prompt string 1" and defines the primary prompt string.

Kind regards
 
Old 12-15-2010, 08:59 AM   #3
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If you don't know what a prompt string is, it is usually a $ or bash-4.1$, see:
http://www.grymoire.com/Unix/Sh.html#uh-22
 
Old 12-15-2010, 09:34 AM   #4
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Okay, thank you. How come the variable doesn't end up in the env or export listings then?
 
Old 12-15-2010, 09:38 AM   #5
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It is in 'set', which shows more than those.
 
  


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