File System

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File System Hierarchy

//

root root

boot boot

home home

sbin sbin

bin bin

var var

usr usr

etc etc

dev dev

tmp tmp

proc proc

media media

opt opt

lib lib 2

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/

This Directory is called as root Directory. It is the top of the file system structure. All other Directories are mounted under it.

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/root

This is the default home directory of administrator (i.e., root).

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/home

It contains all users home directories.

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/boot

This Directory contains the Kernel, the core of the operating system. This also contains the files related to booting the system such as the boot loader and the initial ramdisk.

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/sbin

It contains administrative commands used by superuser.

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/bin

This

Directory contains

command used by

the

superuser and the normal users.

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/usr

It contains the programs and applications which are available for users (similar to program files on windows)

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/var

It contains variable information , such as logs and print queues.

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/dev

This

Directory

contains

devices

nodes

through

which the operating system can access hardware and software devices on the system.

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/etc

It contains all configuration files.

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/proc

This

Directory

information

is

about

a

mount currently

point

for

running

virtual system

processes. This Directory is empty until the proc file system is mounted.

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/tmp

This Directory contains temporary files used by the system

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/opt

It contains the third party applications ex:- Corel Word Perfect Sun Star Office

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/media

It contains default mount points of removable media such as cdrom, floppy disk, pendrive.

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/lib

It

contains

libraries

need

by

no.

of

different

applications as well as linux kernel.

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