MS-DOS：修订间差异

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MS-DOS (查看源代码)

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从 [[Windows 9x 中的 MS-DOS|MS-DOS 7]] 开始，内核作为配置文件被合并到 <code>IO.SYS</code> 和 <code>MSDOS.SYS</code>。
从 [[Windows 9x 中的 MS-DOS|MS-DOS 7]] 开始，内核作为配置文件被合并到 <code>IO.SYS</code> 和 <code>MSDOS.SYS</code>。
MS-DOS consists of three main components, the DOS BIOS (<code>IO.SYS</code> or <code>IBMBIO.COM</code>), the DOS kernel (<code>MSDOS.SYS</code> or <code>IBMDOS.COM</code>), and the shell (<code>[[COMMAND.COM]]</code>). This is the same layout as used by [[w:CP/M|CP/M]].




The DOS kernel is the higher layer of MS-DOS, and provides services including process control, memory management, and file system access. It is equivalent to the Basic Disk Operating System component of [[w:CP/M|CP/M]].
 
 
 
 
DOS 内核是 MS-DOS 的更高层，提供包括进程控制、内存管理和文件系统访问在内的服务。它等效于 CP/M 的基本磁盘操作系统组件。


Process control functionality is very limited due to the system's single-tasking nature. A program can execute another program, although control will not return to the original program until the other program exits. A program can, however, choose to terminate and stay resident (TSR), which leaves a portion of the program present in memory. If the program hooks an interrupt handler before terminating this way, the resident part can get called even when other programs are running, creating an illusion of multitasking.
Process control functionality is very limited due to the system's single-tasking nature. A program can execute another program, although control will not return to the original program until the other program exits. A program can, however, choose to terminate and stay resident (TSR), which leaves a portion of the program present in memory. If the program hooks an interrupt handler before terminating this way, the resident part can get called even when other programs are running, creating an illusion of multitasking.
取自“https://wiki.win-story.cn/wiki/特殊:移动版差异/36196”

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