diff --git a/sources/tech/20170413 More Unknown Linux Commands.md b/sources/tech/20170413 More Unknown Linux Commands.md
index f5507d3802..d773d7b4c9 100644
--- a/sources/tech/20170413 More Unknown Linux Commands.md	
+++ b/sources/tech/20170413 More Unknown Linux Commands.md	
@@ -1,3 +1,5 @@
+translating by ucasFL
+
 More Unknown Linux Commands
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