[[|... unix.]][[node4.html#tex2html4|3.1]]Gnu stands for Gnu's Not Unix, but I say it is. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [[|... file.]][[node5.html#tex2html6|4.1]]The link count is intimately related to the structure of the unix file system. There's no need to worry about it for now. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [[|... myself.]][[node6.html#tex2html13|5.1]]I infer from the book's title that Eric Raymond would agree with me that ``unix'' is a functional description of a class of operating systems, not a particular implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [[|... immediately.]][[node7.html#tex2html18|6.1]]``Immediately'' is a relative term. Lag might prevent "com" from reacting instantly, but it will react without you pressing any other keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [[|..."com".]][[node7.html#tex2html19|6.2]]Some people keep track of the longest time a new user has required to exit from "com". I have heard that the record is over 23 minutes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [[|... networking]][[node9.html#tex2html21|8.1]]Lookup //socket//, //connect//, //listen//, & //accept// in the man. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .