This chapter discusses operating system functions and concepts. The operating system is that part of the software that supports the sharing of resources. Not every operating system restricts its operation to include only facilities that aid in sharing. Most systems include a file system that is ...
1.4 Operating System Structure Multiprogramming(Batch system) needed for efficiency Single user cannot keep CPU and I/O devices busy at all times Multiprogramming organizes jobs (code and data) so CPU always has one to executelA subset of total jobs in system is kept in memory One job selected...
《Operating System Concepts》学习第 17 天,p162-p176 总结,总计 15 页。 一、技术总结 1.thread (1)定义 A thread is a basic unit of CPU utilization; it comprises a thread ID, a program counter (PC), a register set, and a stack. A process control structure that is an execution ...
示例:By now, you can probably see that the term operating system covers many roles and functions. That is the case, at least in part, because of the myriad designs and uses of computers(《Operating System Concepts》第5页)。 2.spacecraft (1)space c/u. an empty area(空间), an empty ...
《Operating System Concepts》学习第 17 天,p162-p176 总结,总计 15 页。 一、技术总结 1.thread (1)定义 A thread is a basic unit of CPU utilization; it comprises a thread ID, a program counter (PC), a register set, and a stack. A process control structure that is an execution location...
《Operating System Concepts》学习第 13 天,p95-p124 总结,总计 30 页。 一、技术总结 1.counter Most of the counter-based tools on Linux systems read statistics from the /proc file system. (1)per-process ps, top。 (2)system-wide vmstat, netstat, iostat。 2.tracing (1)per-process strace...
《Operating System Concepts》学习第 17 天,p162-p176 总结,总计 15 页。 一、技术总结 1.thread (1)定义 A thread is a basic unit of CPU utilization; it comprises a thread ID, a program counter (PC), a register set, and a stack. ...
《Operating System Concepts》学习第 13 天,p95-p124 总结,总计 30 页。 一、技术总结 1.counter Most of the counter-based tools on Linux systems read statistics from the /proc file system. (1)per-process ps, top。 (2)system-wide
Lambda expressions—as well as similar functions known as closures—are a prominent feature of functional programming languages and have been available in several nonfunctional languages as well including Python, C++, and C#(《Operating System Concepts》第 174 页)。
示例:A process migrates among the ready queue and various wait queues throughout its lifetime(《Operating System Concepts》第 113 页) 关于英语的注解同步更新汇总到https://github.com/codists/English-In-CS-Books仓库。 三、其它 第2 章(operating-system structure)简评:介绍了call, system structure,...