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-rw-r--r--usr.bin/last/last.15
1 files changed, 5 insertions, 0 deletions
diff --git a/usr.bin/last/last.1 b/usr.bin/last/last.1
index 27a214d..c746d5b 100644
--- a/usr.bin/last/last.1
+++ b/usr.bin/last/last.1
@@ -117,6 +117,11 @@ login data base
.Xr lastcomm 1 ,
.Xr utmp 5 ,
.Xr ac 8
+.Sh BUGS
+If a login shell should terminate abnormally for some reason, it is likely
+that a logout record won't be written to the wtmp file. In this case,
+.Nm last
+will indicate the logout time as "shutdown".
.Sh HISTORY
.Nm Last
appeared in
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