What is the difference between os.popen and subprocess.Popen?

Question

What is the difference between os.popen and subprocess.Popen?

Answer 1

The functionality of the os process is deprecated. The subprocess module was introduced in Python 2.4 as a single, more powerful replacement for several older modules and functions related to subprocesses. They are listed here :

• os.system
• os.spawn*
• os.popen*
• popen2.*
• commands.*

os.popen was deprecated in Python 2.6 (but, interestingly, not deprecated in Python 3, where it is implemented in terms of subprocess.Popen ). In the documentation for.