インストールされてるかも？の確認

Namazu

以下のコマンド実行して、command not foundとかならなければ，すでにインストールされている。

$ namazu -v
namazu of Namazu 2.0.14
Copyright (C) 1997-1999 Satoru Takabayashi All rights reserved.
Copyright (C) 2000-2004 Namazu Project All rights reserved.
This is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.