The above diagram show the hierarchy of logical file system of Unix operating system. There are so many directory in file system ( / ) show the root directory and user , etc , bin , dev , mnt are directories. We know directory is a collection of file. Here each directory is used for some specified work such as:
USRE : This directory maintain user identification. Number of user show in this directory. such as U1 U2 , BIN etc.
ETC : This directory maintain / store system admin related utilities or files.
BIN : This directory maintain general commands.
DEV : This directory maintain / store device drivers.
MNT : This directory is used for mounting means user mount other temporary file system such as CD-ROM ,DVD ,FLOPPY DISKETTE DRIVE etc.
Note : When user is created the admin allocate one directory and user work on that directory.
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