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-rw-r--r--sbin/reboot/reboot.89
1 files changed, 9 insertions, 0 deletions
diff --git a/sbin/reboot/reboot.8 b/sbin/reboot/reboot.8
index 0ddcee643244..1bbc39d52be4 100644
--- a/sbin/reboot/reboot.8
+++ b/sbin/reboot/reboot.8
@@ -110,6 +110,15 @@ Care should be taken if
.Va value
contains any characters that are special to the shell or loader's configuration
parsing code.
+.It Fl f
+Force reboot.
+Normally,
+.Nm
+checks for the presence of the next kernel,
+and absence of the
+.Pa /var/run/noshutdown
+file.
+Without this flag, reboot is denied if one of the conditions failed.
.It Fl k Ar kname
Boot the specified kernel
.Ar kname