MS-DOS B ATCH S CRIPT G UIDE - Hackipedia.org
MS-DOS B ATCH S CRIPT W RITING G UIDE V ERSION 1.0 | JASE T. W OLFE - D X 21 (JASE _T _WOLFE @ MSN.COM) 5 Names of environment variables can contain most characters except the equals sign and lower case letters, but can't be counted ......