1The nonstandard stuff could not be found in in the first pubslished versions 2of the program. The first version I am aware of, is a program called 0126136 3SUGtar published at the Sun User Group meeting in december 1987, a different 4publishing of the same program which has been originally written by 5John Gilmore was called PDtar. In 1987 PDtar/SUGtar was implementing a true 6subset of the 1987 POSIX-1003 draft (missing only the long name splitting). 7 8FSF people then later added t_atime... making GNU tar non POSIX compliant. 9When FSF added the sparse file handling stuff, this was done in a way that 10even violates any tar document available since the late 1970's. 11 12GNU tar is not tar... 13 14 15 16 17 18