I was wondering is anyone knew of a site that shows all % % system calls. GOOGLE search for batches %% calls shows tons of Phone Call info but no system call info.

I am looking for a list that shows %date% , %time% , and all others available to use for DOS Batches for both OLDER DOS as well as Windows % % system calls from command line. Saw a reference to %processor_architecture% in someone elses post here regarding and autorun issue and that sparked my interest to see if I can find a list of all DOS/Windows % % calls.

ThanksType SET at the command prompt. And by the way, they are VARIABLES (short-formed to VAR), not calls. Extracted from SET/? in Win XP.
Quote

If Command Extensions are enabled, then there are several dynamic
environment variables that can be expanded but which don't show up in
the list of variables displayed by SET. These variable values are
computed dynamically each time the value of the variable is expanded.
If the user explicitly defines a variable with one of these names, then
that definition will override the dynamic one described below:

%CD% - expands to the current directory string.

%DATE% - expands to current date using same format as DATE command.

%TIME% - expands to current time using same format as TIME command.

%RANDOM% - expands to a random decimal number between 0 and 32767.

%ERRORLEVEL% - expands to the current ERRORLEVEL value

%CMDEXTVERSION% - expands to the current Command Processor Extensions
version number.

%CMDCMDLINE% - expands to the original command line that invoked the
Command Processor.

There's something wrong with their definion of %random%. It doesn't expand to a decimal, it expands to an integers.

"Decimal" means base-10.