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Configfs is a RAM-based virtual file system provided by the 2.6 Linux kernel.^[1]

Configfs appears similar to sysfs but they are in fact different and complementary. Configfs is for creating, managing and destroying kernel objects from user-space, and sysfs for viewing and manipulating objects from user-space which are created and destroyed by kernel space.^[2] It is typically mounted at /sys/kernel/config (or more rarely at /config).

• tmpfs
• sysctl – an interface for examining and dynamically changing parameters in the BSD and Linux operating systems

• "Configfs - the API [LWN.net]". lwn.net. Retrieved 3 April 2025. Configfs – the API
• "Documentation/configfs/configfs.txt [LWN.net]". lwn.net. Retrieved 3 April 2025. Documentation/configfs/configfs.txt

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