心得分享

Card image cap

陳同學 報告/作業 分享經驗 2015/11/126 OS HW2

2015/11/126 OS HW2
名稱 OS HW2
描述 OS HW2
日期 2015/11/126
課程名稱 OS
指導教師 劉艾華

1.
When you don't want others load your data directly,or even rewriting data.Using message passing system is more suitable.

Shared-memory model has same data source.Changing the source data,all user will be affected.Message passing has totally different feature.

2.
A system call is how a program requests a service from an operating system's kernel.

Executing system call , the computer will interrupt and be switched into kernel mode to either create a new process or do a hardware related service .

3.
Modify a copy of the source code of the operation system

Creation of tables and the selection of modules from a precompiled library .

Construct a system that is completely table driven .

更新日期:2015/11/26 上午 12:49:58