below are directories in my installation of linux, are all of them generally present in all fedora installations or these are custom. wehre can i find documentation for purpose and use of every directory ?
apps, cgroups, etc, lib media, net,root,srv,usr,
bin,code,home, lib64, misc, opt,sbin, sys,var
boot, dev, jobs, lost+found, mnt,proc,
any article will help me alot .