Few UNIX SOLARIS Diagnostics Commands...

#echo | format
#cat /var/adm/messages
#prtdiag -v
#dmesg
#echo |format
 #iostat -en
 #iostat -En
 #df -h
 #cat /etc/vfstab
 #metastat
 #metastat -p
 #metadb -i
#uname -a
 #uname -X
 #cat /etc/release
 #psrinfo -v
 #fmadm faulty
#Prtpicl

Find serial Number Windows 2003 & Linux RHEL

To find the serial number, open command prompt (cmd) and type the following command.

c:\>wmic bios get serialnumber

This will give you your machine’s serial number by pulling the information from BIOS

In Linux RHEL Type in #dmidecode | egrep -i "product name|serial number"