Subject: Re: Re: [ksh93-integration-discuss] Why "print" is not bound to a PATH 
 element... / was: Re: ksh93 update 2 [PSARC/2009/063FastTrack  
timeout02/09/2009]
--------

> But sleep is a command that is available in every system since a long time, 
> so 
> sleep is from a different category thattypical shell builtins.
> 
> 

For sub-second sleep, the time to fork/exec can be larger than
the sleep interval if it is not built-in.

David Korn
dgk at research.att.com

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