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Linux® Debugging and Performance Tuning: Tips and Techniques by Steve Best

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Chapter 5. System Information (/proc)

In this chapter

A wealth of information is provided by the /proc file system for the Linux kernel, from information about each process to system-wide information about CPU, memory, file systems, interrupts, and partitions. This chapter covers the /proc file system to help you see the overall information that a running system can provide. The two different types of information in the /proc file system are read-only and writeable. The writeable information can be changed on-the-fly. If you change the value of a /proc entry, the system feature could perform in a different way. ...

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