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Displays, sets, or removes FreeDOS environment variables.
You use environment variables to control the behavior of some batch files
and programs and to control the way FreeDOS appears and works. The set
command is often used in the AUTOEXEC.BAT or CONFIG.SYS files to set
environment variables each time you start FreeDOS.
Syntax: SET [variable=[string]]
variable
Specifies the environment-variable name you want to modify.
string
Specifies a series of characters to assign to the variable.
Using set without parameters
You can use set without parameters to display the current list of
environment variables.
Using set in batch files
You can use the set command in batch files to create variables and use
them in the same way you would use the numbered variables \%0 through
\%9. You can also use the variables \%0 through \%9 as input for set.
Calling set from a batch file
When you call a variable value from a batch file, you must enclose it
with percent signs. If your batch file creates an environment variable
named Password, you can use the string associated with Password as a
replaceable parameter by inserting %password% on the command line.
Example:
To set an environment variable named Compiler so that the string
C:\COMP (the compiler directory on drive C) is associated with it, type
the following:
set compiler=c:\comp
See Also:
Dir
Path
Prompt