INT 6A U - Super-TCP DOS TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. Kernel v3.57 - INSTALLATION CHECK
	AX = 0000h
Return: AX = 4357h ('CW')
Program: Super-TCP is a TCP/IPThe protocol suite originally developed by DARPA for use on its ARPAnet network, which is now known as the Internet.  See also IP, TCP. protocol stack by Frontier Technologies Corp.
Note:	an alternate installation check is to test for the ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. signature
	  "FTC Super-TCP" three bytes past the interrupt handler
SeeAlso: AX=0001h,AX=0002h,AX=000Fh,AX=0010h,INT 21/AH=3Fh"BW-TCP"
SeeAlso: INT 61"FTP(File Transfer Protocol)  The standard protocol for copying files from one machine to another on a TCP/IP (Internet) network.  Also the program of the same name with which a user may transfer files. Software",INT 62/AH=00h"ETHDEV"