List the following operating system information:
Operating system name
Release level
Patch level
Kernel configuration parameters
Swap size
OS-specific software installed
High availability software installed
You may need to contact your operating system vendor to get system upgrades, recent patches, or help with problems, so make a note of the following operating system technical support information:
Telephone number
Support hours
Name of your technical account manager and his or her telephone or pager number
Vendor’s Web page
