/proc filesystem is where Linux stores the data related to the currently running processes. In most cases, a casual user would probably never (hopefully never) need to know this information. However, it can be really helpful during debugging, or if you just want to know about some of the internals of Linux.
The following steps explain how to see the information contained in
/procas root run:
uptime: empty, right? So if we cat it, there should be no output ideally, right? Try it:
/procare special because the information is read out of them in real time. Let’s try some more ...