![]() For example, you can use the echo command to print the value of a variable in the form " echo % varname%". To reference a variable in Windows, use % varname% (with prefix and suffix of '%'). Try setting a variable, re-start CMD and look for the variable. Set or change the value of the variable (Note: no space before and after '=')ĭelete the variable by setting to empty string (Note: nothing after '=')įor examples, // Set an environment variable called MY_VAR set MY_VAR=hello // Display set MY_VAR MY_VAR=hello // Unset an environment variable set MY_VAR= // Display set MY_VAR Environment variable MY_VAR not definedĪn environment variable set via the " set" command under CMD is a local, available to the current CMD session only. set varname set varname = value set varname = set To unset an environment variable, use " set varname=", i.e., set it to an empty string. There shall be no spaces before and after the '=' sign. To set (or change) a environment variable, use command " set varname= value". To display a particular variable, use command " set varname", or " echo % varname%": // Display a particular variable set COMPUTERNAME COMPUTERNAME=xxxxxx // or, use "echo" command with variable name enclosed within a pair of '%' echo %COMPUTERNAME% COMPUTERNAME=xxxxxx Set/Unset/Change an Environment Variable for the "Current" CMD Session Pay particular attention to the variable called PATH. ![]() 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, Windows 365 Cloud PC is one of the best Parallels Desktop alternatives you can use.Environment variables are global system variables accessible by all the processes/users running under the Operating System (OS), such as Windows, macOS and Linux. If you’re not an IT or a developer and you just want to use Windows OS on your mac computer. You can personalize your virtual machines, you can configure applications and also perform normal tweaks that are done on Windows 10 and 11. This is one of the best options you can use. If you want to run Windows OS on your macOS PC. There are cool features you’ll find on Windows 365 Cloud PC. Everything is purely cloud-based, you don’t have to install it. This is a cloud-based virtualization software that’ll let you access Windows 10 and Windows 11 on your macOS PC. Windows 365 Cloud PC is one of the best Parallels Desktop alternatives for macOS users. It is one of the best Parallels Desktop alternatives out there and it is very easy to use. You can use this tool for running only applications, on your macOS. That is the only downside of using Docker Desktop. While Docker Desktop is a great option to use on macOS, you can use it for running full OS. Also Read: Best GenVideos Alternatives to Stream Free Movies Online (2023)
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