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Everything about Sysfs

Pseudo file system provided by the Linux kernel

sysfs is a pseudo file system provided by the Linux kernel that exports information about various kernel subsystems, hardware devices, and associated device drivers from the kernel's device model to user space through virtual files. In addition to providing information about various devices and kernel subsystems, exported virtual files are also used for their configuration. Wikipedia →

🧭 Start here: a 6-step reading path

Read the overview: SysfsA 5-minute orientation
Pick up a classic book: Linux Kernel DevelopmentThe most-reprinted book on the subject
Go sideways: ProcfsA closely related topic
Go sideways: Everything is a fileA closely related topic

📖 Definitions

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🗂️ The subject at a glance

🏆 Landmark papers (most cited)

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📚 Books worth reading

Linux Kernel DevelopmentRobert Love · 2004

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics

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Configfs Configfs is a RAM-based virtual file system provided by the 2.6 Linux kernel. Configfs appears similar to sysfs but they are in fact different and complementary…
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Sysctl sysctl is a software mechanism in some Unix-like operating systems that reads and modifies the attributes of the system kernel such as its version number…
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KInfoCenter KInfoCenter (an abbreviation for KDE Information Center) is an open-source graphical system profiler, hardware enumeration and diagnostic monitoring utility…
Inotify inotify (inode notify) is a Linux kernel subsystem created by John McCutchan, which monitors changes to the filesystem, and reports those changes to application…