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Top Forums Shell Programming and Scripting What does : do in this instance Post 302314573 by jim mcnamara on Friday 8th of May 2009 05:24:19 PM
Old 05-08-2009
Quote:
: is a comment that is evaluated. It's not an alias for true really.
No.

login to a ksh shell,
Code:
alias | grep true
# or try
type true

see what you get.

I don't have bash handy to verify : in that shell.
 

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suspend(1)                                                         User Commands                                                        suspend(1)

NAME
suspend - shell built-in function to halt the current shell SYNOPSIS
sh suspend csh suspend ksh suspend DESCRIPTION
sh Stops the execution of the current shell (but not if it is the login shell). csh Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su. ksh Stops the execution of the current shell (but not if it is the login shell). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5) SunOS 5.10 15 Apr 1994 suspend(1)
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