{ "name": "tac", "section": 1, "title": "concatenate and print lines in reverse", "synopsis": [ "tac [FILE]..." ], "description": "Last line first; per-file order.", "options": [ { "flag": "-h, --help", "meaning": "Print usage" } ], "keywords": [ "tac", "bare-os", "coreutils" ], "examples": [ { "caption": "basic", "code": "tac" } ], "listCategory": "coreutils" }