chrII 71865 72972 YBL081W . + SGD gene . ID=YBL081W;Name=YBL081W;Ontology_term=GO:0003674,GO:0005575,GO:0008150;Note=Non-essential%20protein%20of%20unknown%20function%3B%20null%20mutation%20results%20in%20a%20decrease%20in%20plasma%20membrane%20electron%20transport;dbxref=SGD:S000000177;orf_classification=UncharacterizedI have a bed file with many gene data in the gff format. I need to remove the first 3 characters from the first column e.g chr from the chrII  in the first column and want just the Roman numbers.I want to see the output like thisII 71865 72972 YBL081W . + SGD gene .  ID=YBL081W;Name=YBL081W;Ontology_term=GO:0003674,GO:0005575,GO:0008150;Note=Non-essential%20protein%20of%20unknown%20function%3B%20null%20mutation%20results%20in%20a%20decrease%20in%20plasma%20membrane%20electron%20transport;dbxref=SGD:S000000177;orf_classification=Uncharacterized
Removing first three characters from a column
linux;columns