[PATCH] tail -n not supported in all OSs

SunOS/Solaris tail(1) does not support option '-n'. The following patches change occurrances of:

   tail -n <N>

to

   tail <N>

--------------------------------------------------------------------- REFERENCES:

User Commands                                             TAIL(1)
                        
NAME
     tail - output the last part of files

SYNOPSIS
     tail [OPTION]... [FILE]...

- - -

$ uname -a SunOS host 5.9 Generic_118558-35 sun4u sparc SUNW,Serverblade1

$ echo | tail -n 1

usage: tail [+/-[n][lbc][f]] [file]
       tail [+/-[n][l][r|f]] [file]