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
![linux pseudo file systems 7 psudo file system /proc](https://www.poplablinux.com/wp-content/uploads/2021/11/image-1024x166.png)
cd /proc
cat cpuinfo
cd 1
cat cmdline
![linux pseudo file systems 8 linux pseudo file systems](https://www.poplablinux.com/wp-content/uploads/2021/11/image-1.png)
![linux pseudo file systems 9 linux pseudo file systems](https://www.poplablinux.com/wp-content/uploads/2021/11/image-2.png)
man proc
Understand /sys folder
/sys