1983-03-01 /bb-ev83b-bm/01/tcpip-sources/tcpftp.mac 1983-03-01 /bb-ev83b-bm_longer/01/tcpip-sources/tcpftp.mac 1983-03-01 /tops20_v7_0_tcpip_distribution_tape/01/tcpip-sources/tcpftp.mac 1985-04-27 /SRI_NIC_PERM_SRC_3_19910112/01/stanford/ftp/tcpftp.mac