vim as a text editor has worked consistently for me since 1996. ssh has worked for me for about the same period of time. the linux kernel has worked for me fo

vim as a text editor has worked consistently for me since 1996. ssh has worked for me for about the same period of time. the linux kernel has worked for me for pretty much the same time period. the software running in my TI-85 calculator has been working for me since 1994.