/etc/passwd grungies

[Justin C. Walker [Curmudgeon at Large]]

>From Chris:
> BEWARE: In /etc/passwd blank or otherwise badly formatted lines can
> cause *extremely* anomalous behaviour.  Eg: System V accounting can run

	Now that the horse is gone, there is a program called /etc/pwck
	which you can use to check the integrity of the passwd file.
	It comes with System V.  There is also /etc/grpck, for /etc/group.
	Although it's a pain, you might want to use these every time you
	make a change to one of these files.

	There really should be a user program which does this, and locks
	the file while it's doing it.  Oh well...

Cheers
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