• Drawbacks
• Key efficiency questions will be: “what size” and “how many
(of each)” (to be created)?
• The number of partitions specified at system generation time
limits the number of active (not suspended) processes in the
system.
• Because partition sizes are preset at system generation time,
small jobs will not utilise partition space efficiently.
• In an environment where the main storage requirement of all
jobs is known beforehand, this may be reasonable, but in most
cases, it is an inefficient technique.
• Very few OS use this technique nowadays.