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In terms of content, what is the difference between these 4 folders?
I found many symlinks between those folders, many redundant information. More generically what is the idea/purpose in the first place of each of these folders? |
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Take from the wikipedia: /dev Essential devices, e.g., /dev/null. /proc Virtual filesystem documenting kernel and process status as text files, e.g., uptime, network. In Linux, corresponds to a procfs mount. /sys Modern Linux distributions include a /sys directory as a virtual filesystem (sysfs, comparable to /proc, which is a procfs), which stores and allows modification of the devices connected to the system, whereas many traditional UNIX and Unix-like operating systems use /sys as a symbolic link to the kernel source tree |
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