Environment Variables
What are environment variables
Environment Variables are values or settings that determine the default operation of operation system and are also passed on to application programs. Environment variables contain information about your working environment. These are set by system administrators but can be changed by the individual user.
Managing Environment Variables
System Variables
You must be an administrator to modify a system environment variable. System environment variables are defined by Windows and apply to all computer users. Changes to the system environment are written to the registry, and usually require a restart to become effective.
User Variables for User Name
Any user can add, modify, or remove a user environment variable. These variables are established by Windows XP Setup, by some programs, and by users. The changes are written to the registry, and are usually effective immediately. The common reason to add variables is to provide data that is required for variables that you want to use in scripts.
To view or change environment variables:
1. Right-click My Computer, and then click Properties.
2. Click the Advanced tab.
3. Click Environment variables.
4. Click one the following options, for either a user or a system variable:
- • Click New to add a new variable name and value.
• Click an existing variable, and then click Edit to change its name or value.
• Click an existing variable, and then click Delete to remove it.
Example
Select the folder you want to be synchronized using environment variable on the folder selection panel(for example %WINDIR%). The variable will be replaced by the synchronizer a name of a real folder.
|
