legacy system
レガシーシステム
Application retirement
Software rot
Data migration
Deprecation
Digital dark age
Legacy encoding
Legacy-free PC
Legacy port
Retrocomputing
software archaeology
Software brittleness
Software entropy
Stovepipe system
Vintage computer
/suto3/google.iconlegacy system
/suto3/Google画像検索.iconlegacy system
/suto3/Google定義検索.icon legacy system
/suto3/wikipedia.iconlegacy system
/suto3/weblio.icon legacy system
/suto3/kotobank.icon legacy system
/suto3/jisho.icon legacy system