tail \- deliver the last part of a file
.if t [ \(+-number[\fBlbc\fR] ]
.if n +
\b_number[lbc
\b\b\b___]
copies the named file to the standard output beginning
If no file is named, the standard input is used.
Copying begins at distance
from the end of the input.
is counted in units of lines, blocks or characters,
according to the appended option
When no units are specified, counting is by lines.
Tails relative to the end of the file
are treasured up in a buffer, and thus
Various kinds of anomalous behavior may happen
with character special files.