INT 61 - PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite. See also IP, TCP/IP. kernel v2.05+ - "get_netversion" - GET SOFTWARE VERSION AH = 0Fh Return: CF clear AX = version (AH = major, AL = minor) BX = patch level Notes: patch levels are no longer used starting with version 2.10; instead, the minor version level is incremented. Beame&Whiteside's BWPCTCP v3.0a shim reports version 2.05, but does not set BX 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 61/AH=00h"PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite. See also IP, TCP/IP."