Linux/proc meaning/proc is a virtual file system, that is, after the reboot, the modification will be re-initialized to provide process information, memory resources, hardware devices, kernel memory and other information such: nic:/proc/sys/vm/ipv4/ip_forward: control ip forwarding... linux/proc meaning/proc is a virtual file system, that is, after the reboot, the modification will be re-initialized to provide process information, memory resources, hardware devices, kernel memory and other information such: nic:/proc/sys/vm/ipv4/ip_forward: control ip forwarding memory:/proc/sys/vm/drop_caches: input 1 forces the kernel to release some memory from the cache. it is recommended to use strings to browse the information, not cat. I personally think that the greatest value of/proc is: we can use the relevant files in this directory to compile the gadgets we need. Currently, many system gadgets are called files in/proc, for example: uname ==>/proc/version ps top ==>/proc/ Vmstat free ==>/proc/meminfo/proc/swaps ifconfig netstat ==>/proc/net
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