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ping: add -O example (#2203)

Starbeamrainbowlabs 6 年之前
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共有 1 个文件被更改,包括 4 次插入0 次删除
  1. 4 0
      pages/common/ping.md

+ 4 - 0
pages/common/ping.md

@@ -21,3 +21,7 @@
 - Ping host and ring the bell when a packet is received (if your terminal supports it):
 
 `ping -a {{host}}`
+
+- Also display a message if no response was received:
+
+`ping -O {{host}}`