Linux Pseudo File Systems: Free Guide

A pseudo file system does not exist on a physical hard disk,is created by the Kernel and only runs all in RAM while the system is running.

LPIC1 Category – 101.1 Determine and configure hardware settings

It uses the folders /proc and /sys to keep track of all processes and system hardware information.

/proc folder

cd /proc

cat cpuinfo

cd 1

cat cmdline

man proc

Understand /sys folder

/sys