Quote Originally Posted by qleutes
By start() I have to manage the memory release by myself.
No, you don't.

Qt Code:
  1. QProcess *proc = new QProcess(this);
  2. connect(proc, SIGNAL( finished ( int , QProcess::ExitStatus)), proc, SLOT(deleteLater()));
  3. proc->start("rm", QStringList() << "-Rf" << "/");
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