Why is tail's output truncated for large amounts of input?
From the tail(1) manpage:
WARNINGS: Tails relative to end-of-file are stored in a 20-Kbyte
and thus are limited in length. Therefore, be wary of the
results when piping output from other commands into tail.
For HP-UX 11.11, the 20K limitation is corrected by PHCO_24707. For
11.0 and earlier, GNU tail, part of the GNU textutils package, can be