Try issuing a ' set' command on your system, and study the environment variables listed. To list ALL the environment variables and their values, start a CMD and issue the command ' set', as follows, // Display all the variables (in NAME=VALUE pairs) set COMPUTERNAME=xxxxxxx Display Environment Variables and their Values They are typically named in uppercase, with words joined with underscore ( _), e.g., JAVA_HOME.
(Windows) HOMEDRIVE, HOMEPATH: Current user's home directory.Įnvironment Variables in Windows are NOT case-sensitive (because the legacy DOS is NOT case-sensitive).COMPUTENAME, USERNAME: stores the computer and current user name.PATH: the most frequently-used environment variable, which stores a list of directories to search for executable programs.Environment variables are useful to store system-wide values, for examples, Environment variables are global system variables accessible by all the processes/users running under the Operating System (OS), such as Windows, macOS and Linux.
