• Contiguous Allocation

Contiguous allocation of a file is defined by the disk address and length (in block units) of the first block. If the file is n blocks long and starts at location 17, then it occupies blocks b, b + 1, b + 2, …, 17 + n – 1. The directory entry for each file indicates the address of the starting block and the length of the area allocated for this file.

One difficulty is finding space for a new file. The system chosen to manage free space determi