Windows system environment variable large collection
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%allusersprofile%
All User profile Locations
%appdata%
Default storage location for application data
%cd%
Current directory
%clientname%
NETBIOS name of client when joining to Terminal Services session
%cmdcmdline%
Start the command line used by the current Cmd.exe
%cmdextversion%
Current command Handler Extended version number
%commonprogramfiles%
Folder path for common Files
%computername%
Computer name
%comspec%
Path to the executable command shell (command handler)
%date%
Current date
%errorlevel%
Error codes for recently used commands
%homedrive%
The drive letter of the user's home directory
%homepath%
Full path to the user's home directory
%homeshare%
Network path for user-shared home directory
%logonsever%
Valid domain name Controller name for the current logon session
%number_of_processors%
Number of processors installed on your computer
%os%
Name of the operating system (Windows XP and Windows 2000 listed WINDOWS_NT)
%Path%
Search path for executable file
%pathext%
The file name extension that the operating system thinks can be executed
%processor_architecture%
Processor's chip architecture
%processor_identfier%
Description of the processor
%processor_level%
Model of the processor for the computer
%processor_revision%
Revision number of the processor
%ProgramFiles%
Path to program Files folder
%prompt%
Command prompt settings for the current command interpreter
%random%
Random decimal number bounded by 0 and 32767
%sessionname%
Connection and session name when connecting to Terminal Services sessions
%systemdrive%
The drive where the Windows startup directory resides
%SYSTEMROOT%
Location of the Windows startup directory
%TEMP% and%TMP%
Default temporary directory for the currently logged-on user available applications
%time%
Current time
%userdomain%
Name of the domain that contains the user account
%USERNAME%
The name of the currently logged-on user
%USERPROFILE%
Current User profile Location
%WINDIR%