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Update killall.md (#364)

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烟草的香味 2022-05-22 13:33:08 +08:00 committed by GitHub
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@ -33,10 +33,14 @@ killall(选项)(参数)
### 实例 ### 实例
杀死所有同名进程
```shell ```shell
# 杀死所有同名进程
killall vi killall vi
# 指定向进程发送的信号
killall -9 vi
# 0信号表示不向进程发送信号, 可通过返回值判断进程是否存在, 0(存在)1(不存在)
killall -0 vi
echo $?
``` ```