aecd(1) on Linux
The text 70bb3ae6d02b, as Debian 4.0 (Etch) shipped it.
change directory
Flags it lists
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-BRanch -
-BaseLine -
-Change -
-Development_Directory -
-GrandParent -
-Help -
-List -
-Project -
-TERse -
-TRunk -
-Verbose