Ruby

# this code copy from Open3.popen3 def mm(cmd) opts = {} in_r, in_w = IO.pipe opts[:in] = in_r in_w.sync = true out_r, out_w = IO.pipe opts[:out] = out_w pid = spawn(cmd, opts) wait_thr = Process.detach(pid) in_r.close out_w.close result = [in_w, out_r, wait_thr] result end 

mm('dir')

use ruby 2.0 or 2.2 (32bit windows) run this method in irb or pry,
return newline and input some chars, press backspace key can delete a char, but screen still show it