In a general implementation these don't need regular UNIX signals.

在一个实施这些一般不需要常规的UNIX信号。

youdao

Internally, your shell USES UNIX signals to affect the state of processes.

在内部，Shell使用UNIX信号来影响进程的状态。

youdao

UNIX includes a wide variety of signals, most of which have a special purpose.

UNIX包括多种信号，它们大多都有特殊目的。

youdao