Linux Certif Toute la documentation sur la certification Linux LPI 名前 diff - 2 つのファイル間の違いを探す 書式 diff [-abcdefhilnpqrstuwyBEHNPT] [-LINES] [-x PATTERN] [-C LINES] [-D NAME] [-F REGEXP] [-I REGEXP] [-L LABEL] [-S FILE] [-U LINES] [-W COLUMNS] [-X FILE] [--binary] [--brief] [--changed-group-format=fORMAT] [--context[=LINES]] [--diff-program=PROGRAM] [--ed] [--exclude=PATTERN] [--exclude-from=FILE] [-