Those of you who have used a UNIX system before are probably familiar with the /proc filesystem. This directory provides a view of processes running on the system. Before getting into the gory details of the Solaris implementation (see proc(4) if you're curious), I thought I would go over some of the different variants over the years. You'll have to excuse any inaccuracies presented here; this is a rather quick blog entry that probably doesn't do the subject justice. Hopefully you'll be inspired to go investigate some of this on your own.more...
The standard Perl distribution comes with a debugger, although it's really just another Perl program, perl5db.pl. Since it is just a program, I can use it as the basis for writing my own debuggers to suit my needs, or I can use the interface perl5db.pl provides to configure its actions. That's just the beginning, though. read more...
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