astro att auth blit bltj BSD's bsd43manual cargill cfd cmd cs datakit dialout dk dutoit.att.com errcode fd fd1 fi FIFOs fig1 fig2 fig3 ftp id int IP ip Ipcaccept ipcaccept ipccreat Ipclisten ipclisten Ipcopen ipcopen ipcreject killian mazewar netcall netcaller NFS nj oklogin passedinfo passedinfo.fd proc recvfile research.att.com RFS ritchie rlogin RPC rpipefd sendfile smtp systemv TCP tcp telnet tl ttyld UDP uid usr utmp uucico uucp VCS vismon weinberger whoami wpipefd