# tbl > Format tables for `troff`. > More information: . - Format tables for `troff` and print it to stdout: `cat {{path/to/file.troff}} | tbl` - Format tables for `troff` in "compatibility mode": `cat {{path/to/file.troff}} | tbl -C` - Format tables for `troff` from a file: `tbl {{path/to/file.troff}}` - Mark the beginning of a table ("Table Start"): `.TS` - Mark the end of the table ("Table End"): `.TE`