Input (grade 2): In March 1992, Linux version 0.95 was the first to be capable of running X/O. This large version number jump (from 0.1 x to 0.9 x) was due to a feeling that a version 1.0 with no major missing pieces was imminent.
Output (grade 3): In March 1992, Linux version 0.95 was the first to be capable of running X/O. This large version number jump (from 0.1 x to 0.9 x) was because of a feeling that a version 1.0 with no major missing parts would be released soon.