File system is a collection of files and directories stored. Each file system is stored in a separate whole disk partition.
FEATURES OF FILE SYSTEM.
1.Linux file system is inverted root tree like structure
2.Linux file system is casesensitive.
3.Hidden files start with . (dot) extension.
4.dot (.) refers to current dir
5.double dot (.) refers to immediate parent dir
The FILE SYSTEM and its contents..
/ This is the root directory. This is where the whole tree starts. Please note that /root is root user’s home
directory, which is not same as /.
/bin This directory contains executable programs.
/boot Contains static files for the boot loader. This
directory only holds the files which are needed during the
boot process.
/dev Special/device files,which refer to physical devices.
/etc Contains configuration files
/home users home directories are stored here.
/lib This directory should hold those shared libraries
like drivers
/mnt and /media This directory contains mount points for temporarily mounted filesystems
/opt This directory is used to store third party tools or packages.
/proc This is a mount point for the proc filesystem, which
provides information about running processes
and the kernel.
/root This directory is usually the home directory for the
root user (optional).
/sbin Like /bin, this directory holds commands needed to
boot the system, but which are usually not executed by normal users.
/tmp This directory contains temporary files which may
be deleted with no notice, such as by a regular job
or at system boot up.
/usr This directory is usually mounted from a separate
partition. contains documents .
/var This directory contains files which may change in
size,such as spool and log files.
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