Tham khảo tài liệu 'giáo trình cis+ part 84', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Typing show version or show hardware yields a response like sh version Cisco Internetwork Operating System Software IOS tm GS Software GS7 Experimental Version 11829 pst 113 System-type imagename Version who Desc System-type type of system the software is designed to run on. imagename The name of the image. This is different slightly for run-from-rom run-from-flash and run-from-ram images and also for subset images which both were and will be more common. Version text changes slightly. For example if an engineer gives you a special version of software to try out a bug fix this will say experimental version. Major Major version number. Changes in theory when there have been major feature additions and changes to the softare. Minor minor version number. Smaller but still signficant feature added. in reality cisco is not very sure what the difference between major and minor is and sometimes politics gets in the way but either of these incrementing indicates feature additions. EXCEPT and are all somewhat similar. is the base adds specical feature for low end systems added special features specific the high end cisco-7000 This was an experiment that we are trying not to repeat. release increments 1 2 3 4 . for each maintenance release of released software. Increments for every compile in some other places. interim increments on every build of the release tree which happens weekly for each release but is only made into a generically shipping maintenance release every 7 to 8 weeks or so. who who built it. Has fc 1 or similar for released software. has something like billw 101 for test software built Bill Westfield billw@cisco. com . Desc additional description. The idea is that the image name and version number UNIQUELY identify a set of sources and debugging information somewhere back at cisco should anything go wrong. Copyright c 1986-1995 by cisco Systems Inc. Compiled Thu 09-Mar-95 23 54
