Solaris
Mostly Solaris 9, 10, 11
etcfstab.com
Oracle Linux or RHEL
Mostly Oracle, RHEL and its clones
Cloud
Cloud stuff
Linux Debian
Debian and clones
Scripting
shell, perl, some other scripting
Linxu SuSE
Suse distro
Networking
Networking
HP-UX
HP-UX version 11.23 and 11.31
Storage
Mostly External storages
Tips
Quick tips for every day work ...
Misc
miscellaneous ...
Database
databases ...
Monitoring
Monitoring, like Nagios, etc ...