Input (grade 8): Version 2 of Linux, released on 9 June 1996, was followed by additional major versions under the version 2 header: 25 January 1999 - Linux 2.2.0 was released (1,800,847 lines of code).
Output (grade 6): Version 2 of Linux, released on June 9, 1996, was a landmark. Strong development continued: January 25 1999 - Linux 2.2.0 was released (1,800,847 lines of code).