Editing 1508: Operating Systems
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:1990 2000 2010 Now 2020 2030 2040 2050 2060 | :1990 2000 2010 Now 2020 2030 2040 2050 2060 | ||
β | :[Bars above the time-line in four levels are labeled with operating system names, representing the time period for that OS. Below is a list of the bars on the time-line in order of first appearance (with approximate year ranges given) | + | :[Bars above the time-line in four levels are labeled with operating system names, representing the time period for that OS. Below is a list of the bars on the time-line in order of first appearance are (with approximate year ranges given) and with level 1-4 given, with level 1 just above the time-line and level 4 the highest level above the line:] |
:[Level 1 from 1988 to 1998 (extends a little left past the beginning of the time-line but not off panel):] | :[Level 1 from 1988 to 1998 (extends a little left past the beginning of the time-line but not off panel):] |