SORT statement can be used to sort files and tables in working storage.
GCobol* GnuCOBOL SORT verb example using standard in and standard out identification division. program-id. sorting. environment division. input-output section. file-control. select sort-in assign keyboard organization line sequential. select sort-out assign display organization line sequential. select sort-work assign "sortwork". data division. file section. fd sort-in. 01 in-rec pic x(255). fd sort-out. 01 out-rec pic x(255). sd sort-work. 01 work-rec pic x(255). procedure division. sort sort-work ascending key work-rec using sort-in giving sort-out. goback. exit program. end program sorting.