Slide 1 : LINUX KOLLA SANJEEVA RAO MCA
:
Slide 3 : File System Physical file System Logical File System
Physical File System : Physical File System EXT 2
EXT 3
FAT 16
FAT 32
NTFS
HPFS
CDFS
Logical File System : Logical File System
/ : / This Directory is called as root Directory.
It is the top of the file system structure.
All other Directories are mounted under it.
/root : /root This is the default home directory of administrator
(i.e., root).
/home : /home It contains all users home directories.
/boot : /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.
/sbin : /sbin It contains administrative commands used by super user.
/bin : /bin This Directory contains command used by the super user and the normal users.
/usr : /usr It contains the programs and applications which are available for users (similar to program files on windows)
/var : /var It contains variable information , such as logs and print queues.
/dev : /dev This Directory contains devices nodes through which the operating system can access hardware and software devices on the system.
/etc : /etc It contains all configuration files.
/proc : /proc This Directory is a mount point for virtual information about currently running system processes.
This Directory is empty until the proc file system is mounted.
/tmp : /tmp This Directory contains temporary files used by the system
/opt : /opt It contains the third party applications
ex:- Corel Word Perfect,
Sun Star Office
/media : /media It contains default mount points of removable
media such as cdrom, floppy disk, pendrive.
/lib : /lib It contains libraries need by no. of different applications as well as Linux kernel.