Nostalgia

COBOL cobol dosbox unix micro focus edit arj arj2 cobol45 autoexec path configuração do ambiente mount vim colunas divisões sessões identification division evironment division data division procedure division file section working-storage section sreen section file-control variáveis alfanúmerica caractere numérica decimais open input open extend open output write read at end go to display accept move label spaces zeros using highlight 77 sequential mainframe