Task

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




Related task
  Get system command output


load'task'
 
NB.  Execute a command and wait for it to complete
shell 'dir'
 
NB.  Execute a command but don't wait for it to complete 
fork 'notepad'
 
NB.  Execute a command and capture its stdout
stdout   =:  shell 'dir'  
 
NB.  Execute a command, provide it with stdin, 
NB.  and capture its stdout
stdin    =:  'blahblahblah'
stdout   =:  stdin spawn 'grep blah'