Fwd: saturday comic: /proc

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marius adrian popa

Jan 11, 2020, 11:26:11 AM1/11/20
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---------- Forwarded message ---------
From: Julia Evans <ju...@jvns.ca>
Date: Sat, Jan 11, 2020 at 16:16
Subject: saturday comic: /proc
To: <map...@gmail.com>

This one is about /proc, a ⭑magical⭑ directory on Linux. Knowing about /proc feels like a superpower to me -- when I was writing rbspy I leaned on /proc/PID/maps a lot to figure out the memory layout of Ruby processes.

The replies to the original tweet have a ton of great discussion about how /proc works (/proc/PID/environ is actually just a pointer into the process's memory!) and other useful features of /proc not mentioned in the comic.

This is page 5 of my Bite Size Linux zine, which explains 19 of the Linux concepts that I've found the most useful to know.

Link to the tweet: an amazing directory: /proc
Get the zine: Bite Size Linux
Get the whole Bite Size zine series: Bite Size zine pack
Get all my zines: All the zines!!

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Radu Potop

Jan 11, 2020, 12:57:04 PM1/11/20
to LUG-Mures
Foarte faine Marius, keep them coming!

Nu am mai văzut activitate aici pe grup de mult timp :)


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