INT 2A - PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite.  See also IP, TCP/IP. PREDIR.EXE - INSTALLATION CHECK
	AX = FF92h
Return: AX = 0000h if installed
	   BX = redirected printer port (FFFFh if no printers redirected)
	   CX = version (CH = major, CL = minor)
Note:	PREDIR.EXE is the network printer redirector included as part of the
	  PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite.  See also IP, TCP/IP. system by 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, Inc.