Set Env: USER : System User « System « Python

1. Python
2. System
3. System User

Set Env: USER

import os
print 'setenv...',
print os.environ['USER']                 # show current shell variable value

os.environ['USER'] = 'Brian'             # runs os.putenv behind the scenes
os.system('python echoenv.py')

os.environ['USER'] = 'Arthur'            # changes passed to spawned programs
os.system('python echoenv.py')           # and linked-in C library modules

os.environ['USER'] = raw_input('?')    
print os.popen('python echoenv.py').read() 

           
       

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