In general, the desktop user's preferred Ubuntu; server of choice for RHEL or CentOS, both preferred CentOS.
According to the specific requirements:
- Higher security requirements, select Debian or FreeBSD.
- You need to use advanced services database and e-mail network applications the user can choose SUSE.
- Want new technologies and new functions can be selected Feddora, Feddora RHEL and CentOS is a beta and pre-release version.
