Linux Small Knowledge Translation-"/proc folder"

This time talk about the "/proc folder.

The/proc folder is a special folder that is used to keep files related to the state of the system, and the files in this folder are only virtual files on memory.

Some files under the/proc folder can reflect the running state of each process. So it's a very important folder to decide which Linux to run.

With this folder, you can get a wide variety of information. For example, try typing "cat/proc/cpuinfo" at the command line. Information about the CPU can be obtained.

Other information can also be obtained from memory information, drive information, and other hardware and software aspects.

Therefore, modify the file under the/proc folder to adjust the state of the system. For example, when using iptables to route, the values in the/proc/sys/net/ipv4/ip_forward file are changed.

However, modifying the content under the/proc folder requires a high level of knowledge. Understand the words will feel to modify the/proc file is very convenient, conversely, the wrong modification may cause the system to be destroyed.

If you change the content of the smattering, still do not modify the good.