系统命令的英文：
system command

参考例句：

That log file will not have any indication of changes made by running system commands directly, however.
然而，该日志文件将不会反映任何直接通过运行系统命令所进行的更改。

system是什么意思：
n. 体系，系统；设备；制度；方法；身体；次序

Is the system unstable?
是系统不稳定吗？

It was not a perfect system.
它不是一个完美的系统。

This is a sexpartite system.
这是一个由六部分组成的系统。

Anatomically, the nervous system is divided into the central nervous system and the peripheral nervous system.
解剖学上把神经组织分为中枢神经系统和周围神经系统。

disaccord between the economic system and political system
经济体制与政治体系间的不协调

command是什么意思：
n. 命令；指挥（权）；控制，掌握；部队；指挥部；指令
v. 控制；命令；指挥；博得；俯瞰
adj. 指挥的

command sympathy
博得同情

the second in command
副司令员

commanding adj.
指挥的；威风凛凛的；居高临下的

The program issued a command but the command length is incorrect.
程序发出命令，但命令长度不正确。

This single command is equivalent to the two previous commands.
这一个命令和前面的两个命令是等价的。