This method stores each file as a contiguous block of data on the disk.
Allocation is done using first fit or best fit.
This method has minimal or no disk-head movement.
Due to minimal seek time, the access time of a file and the I/O performance is greatly improved in this method.
It allows random access.
It can be used for both sequential and direct files.
Finding space for a new file or a resized file.
Determining size requirements.
External fragmentation of the hard disk.