Operations on Files
Create - finds a space in the file system and create an entry in the directory structure.
Write - specifies the name of the file and the information to be written. The system also keeps a location pointer in the file.
Read - specifies the name of the file and a memory buffer to store the read data. The system keeps a location pointer in the file.
Seek - repositioning the location pointer for the file.
Delete - releases the file space and erase the directory entry.