content: import os
  
  os.spawnl(mode, path)
  os.spawnle(mode, path, env)
  os.spawnlp(mode, file)
  os.spawnlpe(mode, file, env)
  os.spawnv(mode, path, args)
  os.spawnve(mode, path, args, env)
  os.spawnvp(mode, file, args)
  os.spawnvpe(mode, file, args, env)
  