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Message: [QUOTE="timdoyle05, post: 1838447"] Hi, I have a question relating to how Unix commands can be issued from Python programs. Im am currently writing a large test script in python and I need this script to call three other separate Python scripts, where each one executes in it own thread of control. I would like to use a Unix command to get each script to run in its own shell. I have tried using the "Commands" module but after I issue the first "command", execution blocks until I kill the called script. Is there a way around this?? Thanks for your time, I would really appreciate any assistance, Tim. [/QUOTE]