1linux filesystem hierarchy: contains esential command biniaries available for all users,bin,linux_fsh
 2linux filesystem hierarchy: contains essential devices and interfaces for hardware components,dev,linux_fsh
 3linux filesystem hierarchy: contains read-only user data and the majority of user utilities and applications,usr,linux_fsh
 4linux filesystem hierarchy: contains the users' home directories,home,linux_fsh
 5linux filesystem hierarchy: contains librares essential for the biniars in bin and sbin,lib,linux_fsh
 6# linux filesystem hierarchy: ,sbin,linux_fsh
 7# linux filesystem hierarchy: ,tmp,linux_fsh
 8# linux filesystem hierarchy: ,var,linux_fsh
 9# linux filesystem hierarchy: ,boot,linux_fsh
10# linux filesystem hierarchy: ,media,linux_fsh
11# linux filesystem hierarchy: ,proc,linux_fsh
12# linux filesystem hierarchy: /usr/?,bin,linux_fsh
13# linux filesystem hierarchy: /usr/?,man,linux_fsh
14# linux filesystem hierarchy: /usr/?,lib,linux_fsh
15# linux filesystem hierarchy: /usr/?,local,linux_fsh
16# linux filesystem hierarchy: /usr/?,sbin,linux_fsh
17# linux filesystem hierarchy: /usr/?,share,linux_fsh
18# linux filesystem hierarchy: /var/?,log,linux_fsh
19# linux filesystem hierarchy: /var/?,tmp,linux_fsh
20# linux filesystem hierarchy: ,,linux_fsh
21# linux filesystem hierarchy: ,,linux_fsh