# System Variables A number of pre-defined system variables exist: - environmentvariable:NAME: value of the operating system environment variable with the name 'NAME'. - antivirusinfo: description of the anti-virus product in use. - clipboardtext: current contents of the Windows clipboard. - clrversion: full version of the Common Language Runtime. - clrversion:build: build of the Common Language Runtime. - clrversion:major: major version of the Common Language Runtime. - clrversion:majorrevision: major revision of the Common Language Runtime. - clrversion:minor: minor version of the Common Language Runtime. - clrversion:minorrevision: minor revision of the Common Language Runtime. - commandline: command line for this process. - currentdirectory: path of the current working directory. - date: date of the workstation. - datetime: date and time of the workstation. - directoryseparator: OS-specific separator for directory. - directoryseparatoralt: alternative OS-specific separator for directory. - hasteamviewer: whether TeamViewer in version 10 is present. - installationfolder: Obsoleted. - ipaddress: primary IP-addres of the workstation on the internal network. - ipaddressexternal: primary IP-address of the workstation on the Internet. - is64bitoperatingysystem: whether the operating system runs in 64-bit mode. - is64bitprocess: whether the current process runs in 64-bit mode. - isvirtualmachine: whether the workstation is a virtual machine. - logicalcorecount: number of logical cores of the workstation. - machinename: NetBIOS name of the workstation. - now: date and time of the workstation in the format YYYYMMDDHH24MISS. - os: current platform version number. - osname: human-friendly name of the operating system. - pathseparator: OS-specific separator for path. - physicalcorecount: number of physical cores in the workstation. - physicalmemoryinbytes: number of bytes in the physical memory of the workstation. - processorcount: number of physical processors in the workstation. - processorid: ID of the processor. - sid: security identifier. - stacktrace: stack trace of the program. - systemdirectory: fully qualified path of the system directory. - systempagesize number of bytes in the system memory page. - time: time of the workstation. - user: user of the workstation. - userdesktopdirectory: fully qualified path of the desktop directory of the current user. - userdocumentsdirectory: fully qualified path of the documents directory of the current user. - userdomain: network domain name associated with the current user. - userfavoritesdirectory: fully qualified path of the favorites directory of the current user. - userhomedirectory: fully qualified path of the home directory of the current user. - userinteractive: whether the current process is running in interactive mode. - userpicturesdirectory: fully qualified path of the pictures directory of the current user. - userprofiledirectory: fully qualified path of the profile directory of the current user. - volumeseparator: OS-specific separator for volume. - workingset: amount of physical memory mapped to the process context.