With ongoing development of Python, some platforms that used to be supported earlier are no longer supported (due to the lack of users or developers).
Check Windows has a built-in dialog for changing environment variables (following guide applies to XP classical view): Right-click the icon for your machine (usually located on your Desktop and called “My Computer”) and choose In this dialog, you can add or modify User and System variables.
Every time a shell session spawns, a process takes place to gather and compile information that should be available to the shell process and its child processes.
It obtains the data for these settings from a variety of different files and settings on the system.
You can download either the latest release’s source or just grab a fresh checkout.
For Microsoft Visual C , which is the compiler with which official Python releases are built, the source tree contains solutions/project files.
A couple of modules, both in the standard library and external, and snippets exist to use these features.
This page should help you find the information you need.They are documented in the Link environment variables reference.Please note, however, that these variables are deprecated - you should just use the link alias as a hostname instead.Environmental variables are used to pass information into processes that are spawned from the shell.Shell variables are variables that are contained exclusively within the shell in which they were set or defined.