命令行接口
大约 1 分钟
命令行接口
Command Line Interface
操作系统为用户执行各种程序。
A process is a program in execution. Process execution is done in a sequential fashion.
In Unix/Linux, typing a command or a file name will cause the associated program to be executed.
- A process is created for that purpose.
- The program for that command or file will be loaded into the process.
- Arguments will be passed to the program for execution.
这由 "shell "处理,它成为执行用户命令的基本人类操作系统界面。