How determine if a file is opened by another process

[Tom Christiansen]

>From the keyboard of rrandall at zach.fit.edu (Rick Randall):
:	ANSWER:  man fuser

Well......  maybe.  Try fstat(8) [BSD], fuser(8) [SysV], 
and ofiles(8) [PD].  Should these all fail to exist, pstat(8) 
output (with the -i and/or -f flags) can often be massaged 
into something informative enough to get the job done.

--tom
--
"Hey, did you hear Stallman has replaced /vmunix with /vmunix.el?  Now
 he can finally have the whole O/S built-in to his editor like he
 always wanted!" --me (Tom Christiansen <tchrist at convex.com>)