Hello, TAB completion is not able to display help descriptions, only to find sub-commands and complete among them. Since in your case there is only one sub-command for "show adj", if you hit TAB it will automatically expand to this sub-command. If you want to find out about the usage of a command, you still have to use the question mark, e.g. "show adj ?".
Thanks, Yoann From: <vpp-dev-boun...@lists.fd.io<mailto:vpp-dev-boun...@lists.fd.io>> on behalf of "xy...@fiberhome.com<mailto:xy...@fiberhome.com>" <xy...@fiberhome.com<mailto:xy...@fiberhome.com>> Date: Tuesday, 27 June 2017 at 07:44 To: vpp-dev <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>> Subject: [vpp-dev] Some problems of command completion Hi , When I use tab to make command completion .The problem will appear: Here are the help information for the two commands: "show adj nbr [<adj-index>] [<interface>]" "show adj [<adj-index>] [<interface>] [summary]" DBGvpp# show adj nbr Only the longer one of path will show up. How can I make the two help commands display at the time I use 'tab'? Thanks, Xyxue ________________________________
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