What do I use on linux to make a python program executable

Just put this in the first line of your script :

#!/usr/bin/env python

Make the file executable with

chmod +x myfile.py

Execute with

./myfile.py

If one want to make executable hello.py

first find the path where python is in your os with : which python

it usually resides under "/usr/bin/python" folder.

at the very first line of hello.py one should add : #!/usr/bin/python

then through linux command chmod

one should just make it executable like : chmod +x hello.py

and execute with ./hello.py

I do the following:

1. put #! /usr/bin/env python3 at top of script
2. chmod u+x file.py
3. Change .py to .command in file name

This essentially turns the file into a bash executable. When you double-click it, it should run. This works in Unix-based systems.

Another way to do it could be by creating an alias. For example in terminal write:

alias printhello='python /home/hello_world.py'

Writing printhello will run hello_world.py, but this is only temporary. To make aliases permanent, you have to add them to bashrc, you can edit it by writing this in the terminal:

gedit ~/.bashrc

Do the following steps:

1. Add this as first line in to your execution entry point python file

#!/usr/bin/python

2. Modify script to executable

    chmod +x <script-name>.py

3. Create a symbolic link to your <script-name>.py from /usr/local/bin

ln -s <path-to-your-script> /usr/local/bin/<executable-name-you-want>

These steps works irrespective of whether you have single standalone python script or if you have multiple dependent script called by your main file.