Copies all but the first few lines
buthead 5 <file-with-5-line-header >file-without-header
seq 5 | buthead 3
Buthead copies all but the first count lines of stdin to stdout.
Terminates gracefully if EOF encountered within first count lines.
Written by Barak A. Pearlmutter on April 1.
Functionality overlaps with tail-n+count or awk'(NR>count)' or sed1,countd