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Full Discussion: uptime and last reboot command in solaris
Operating Systems Solaris uptime and last reboot command in solaris Post 302430320 by soubmukh on Thursday 17th of June 2010 08:16:23 AM
Old 06-17-2010
I have executed the command "last reboot" and it is showing an output

wtmp begins Thu Jun 17 10:11

Is it means that the sytem has been booted on 17th June,Thu around 10.11a.m ?

I am not able to run 'who -b' command in some solaris boxes why it is not executed i don't understand though 'who' is executed in that box.
 

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LEARN ABOUT MINIX

reboot

REBOOT(8)						      System Manager's Manual							 REBOOT(8)

NAME

       reboot - reboot the system immediately

SYNOPSIS

       reboot [-f]

DESCRIPTION

       Reboot  can  be	used  to  reboot  the  system  after  installing a new kernel.	It does not inform the users, but does log it's actions in
       /usr/adm/wtmp and /usr/adm/authlog.  The system is then rebooted with the reboot(2) systemcall.

       If the -f flag is not given then all processes are sent terminate signals to give them a chance to die peacefully before the reboot() call.

       If the wtmp file exists, reboot logs itself as if it were a shutdown.  This is done to prevent last(1) from talking  about  system-crashes.
       Reboot is registered as is in the authlog file.

       Reboot can only be executed by the super-user.  Any other caller will be refused, either by reboot(8) or by reboot(2).

SEE ALSO

       reboot(2), shutdown(8), halt(8), boot(8).

BUGS

       The  error message's given by reboot are not always useful.  There are several routines that can fail, but which are not fatal for the pro-
       gram.

AUTHOR

       Edvard Tuinder (v892231@si.hhs.NL)

																	 REBOOT(8)
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