Command: set (command.com command)
SET displays, sets, or removes environment variables.
SET is a BATCH-FILE / AUTOEXEC.BAT command.
It can also be used in command line.
SET [/C] [/P] [/E] [/U] [variable[=[string]]]
variable Specifies the environment-variable name.
string Specifies a series of characters to assign to the
If no string is specified, the variable is removed from the
Type SET without parameters to display the current environment
Type SET VAR to display the value of VAR.
/C Forces to keep the case of the variable; by default the variable
is uppercased, if it is not located in the environment already,
otherwise the case is retained (only works for new variables).
/P Prompt the user with string, and assigns the user input to the
/E Sets the given variable to the first line of output of the
command pointed to by [string].
/U Changes the case of [string] to uppercase.
/? Shows the help.
SET can also be used outside a batch file.
SET is a command internal to command.com and needs no other file
in order to work.
There also exists a CONFIG.SYS SET command.
IN A .BAT FILE / AUTOEXEC.BAT:
set displays a list of the current environment variables
set DRIVE=Z sets the environment variable DRIVE to the given
set DRIVE= removes the variable DRIVE from the environment
set (config.sys command)
Please read this command's lsm file also.
You will find the updated version (internet) here and
the version described in this manual page here.
The lsm file contains information about the name of the programmer,
the download site, and some other command related information.
Copyright © 2003 Robert Platt, updated 2007 by W. Spiegl.
This file is derived from the FreeDOS Spec Command HOWTO.
See the file H2Cpying for copying conditions.