How many prompts are available in a UNIX system?

Two prompts, PS1 (Primary Prompt), PS2 (Secondary Prompt).

Showing Answers 1 - 3 of 3 Answers

Vijay Valli Prasanna Roy

  • Apr 19th, 2006
 

Unix/ Linux Supports four Prompts PS1, PS2, PS3, PS4

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kcube

  • Nov 12th, 2006
 

PS1 Prompt used as the normal system promptPS2 Prompt used when the shell expects more inputPS3 Prompt used when you have root authority

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Linux User

  • Oct 29th, 2007
 

Bash supports 4 prompts:

PS1 - the default prompt
PS2 - for multi-line input
PS3 - printed for the select command
PS4 - printed before output if set -x is set

(see http:// www . gnu . org/software/bash/manual/bashref . html )
The first two are common to the Bourne shell (and ksh).  The last two are only for Bash.

csh, however, uses a completely different system.  Set the "prompt" variable.

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