Setting environment variables in Linux

Linux comes with different types of shells and the Python directory path is usually /usr/local/bin/python:

• csh shell: Open the terminal and enter setenv PATH "$PATH:/usr/local/bin/python" followed by pressing Enter
• bash shell: On the terminal, enter export PATH="$PATH:/usr/local/bin/python" followed by pressing Enter
• sh or ksh shell: Enter PATH="$PATH:/usr/local/bin/python" followed by pressing Enter