Diff files with the Linux diff command
Showchangesbetweentheworkingtreeandtheindexoratree,changesbetweentheindexandatree,changesbetweentwotrees,changesresultingfromamerge.,Thediffcommandanalyzestwofilesandprintsthelinesthataredifferent.Inessence,itoutputsasetofinstructionsforhowtochan...。參考影片的文章的如下: