On Fri, 17 Nov 2000, Stan Isaacs wrote:
> 1. Bash re-starts history each time it goes into a subshell. I think it
> would be much more reasonable to keep a uniform history for a given
> login session, even if, for instance, you started the "script" command
> to keep track of what you are doing. Or at least a flag that allowed
> a single history, even when you run multiple windows. Is there any
> documentation or explaination of standards for this, or why one way was
> chosen over another?
Unix is multiuser. If you've got 20 pty's open for the same user, would
you really want the system getting bogged down in reading/writing to a
text file every single time a command is executed or searched for in the
history?
The history is kept in memory, and only written out when a shell is
exited. This is a feature, not a bug. I'm sure that if one could patch the
shell to do what you're suggesting without causing flocking problems or
heavy disk I/O, it would have already been done.
--
Todd A. Jacobs
Senior Network Consultant
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