Long-term scheduling(P380) ☆ Determines(确定) which program are admitted to the system for processing. Controls the degree of multiprogramming(多道程度). Once admitted(提 3), a job becomes a process and is added to the queue for short-term scheduler or for medium-term scheduler o In a batch system the long-term scheduler chooses the jobs held in(保持在) disk queue and creates processes from the queue when it can 座空會 PROCESSES AND SCHEDULINGPROCESSES AND SCHEDULING Long-term scheduling(P380) ❖ Determines(确定) which program are admitted to the system for processing. Controls the degree of multiprogramming（多道程度）. Once admitted（提 交）, a job becomes a process and is added to the queue for short-term scheduler or for medium-term scheduler. ❖ In a batch system, the long-term scheduler chooses the jobs held in(保持在) disk queue and creates processes from the queue when it can