Task

Run either the   ls   system command   (dir   on Windows),   or the   pause   system command.




Related task
  Get system command output


 
      h ← ⎕fio['fork_daemon'] '/bin/ls /var'
      backups  games     lib    lock  mail  run    tmp
cache    gemini  local  log   opt   spool
      ⎕fio['fclose'] h
0
 