For what it's worth, I have 15 years of Unix work experience and I don't think I saw any tar file until graduating (my university was a mostly-DOS shop). I lear

For what it's worth, I have 15 years of Unix work experience and I don't think I saw any tar file until graduating (my university was a mostly-DOS shop). I learned mostly on the job... man vi was painful... but now I can't use an editor for humans anymore.