David Greenman c83d3f4574 Fixed a bug that caused last(1) to be extremely slow in some cases, and ... made other performance improving changes. This improves the performance of last(1) by as much as 32 times in some cases, and in more typical cases is about twice as fast. Added a BUGS section to the manual page to describe the behavior of last(1) when a login shell terminates abnormally (and thus doesn't write a logout record to the wtmp file).		1995-10-17 18:26:43 +00:00
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last.1
last.c
Makefile