EXE ) support a type of pseudo-environment variables named system information variables (Novell / Caldera terminology) 7 or internal variables (JP Software terminology 3 which can be used to retrieve various possibly dynamic, but read-only information about the convertxtodvd 4 serial mf running system in batch jobs.
DR-DOS M supports environment variables up to 255, 4DOS even up to 512 characters.
If the variable is not defined and no S console driver is detected, the DR-DOS M will directly clear the screen via INT 10h/AH00h bios function, like MS-DOS/PC DOS M does.Users can also use the username variable to determine the active users login identification.The figure below shows the "Environment Variables" dialog box that opens next.These are discussed on another page About the author Contact me Victor Laurie.6 See also the related environment variable length and a similar pseudo-variable _columns.See also the similar pseudo-variable DAY.Printenv can also be used to print a single variable by giving that variable name as the sole argument to the command.Does not work on Windows.0 SP6.You can simply scroll down the lists to see what is on your system or you can edit the lists.If the system is on drive C then the default values are "C:windows" on Windows 95, Windows 98, Windows Me, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008 and Windows 7 and "C:winnt" for Windows NT 4, and Windows 2000.
While a long filename can be returned under CMD.
Variable value However, if used in front of a program to run, the variables will be exported to the environment and thus appear as real environment variables to the program: variable value program_name arguments The persistence of an environment variable can be session-wide or system-wide.
If this sub-path environment variable itself contains an environment variable representing a path, path will not expand properly in the variable substitution.ProgramFiles, ProgramFiles(x86 ProgramW6432 The ProgramFiles variable points to the Program Files directory, which stores all the installed programs of Windows and others._month This pseudo-variable returns the months of the current date without leading zeros,.e.They include parameters such as the location of Windows and the name of the current user.Config (supported since MS-DOS.0 and PC DOS.1 ) This variable holds the symbolic name of the currently chosen boot configuration.4 It must not contain long filenames.Userdomain The name of the Workgroup or Windows Domain to which the current user belongs.Using the add-on tool Setx.4 While the variable is undefined by default under DR-DOS, the Multiuser DOS default for an ascii terminal equals SET ON033p.Archived from the original.