OS: Unix: Documentation contains sites with documentation on using Unix or Unix-like operating systems, as well as the internal structure of Unix and Unix-like operating systems.
Please submit only general Unix documentation, and documentation on Unix distributions without their own sub-category.

Sites documenting Unix administration should be submitted to Operating Systems: Unix: Administration.

Sites documenting the Linux operating system should be submitted to Operating Systems: Linux.

Sites geared towards teaching new Unix users how to function within the operating system.
Please submit only tutorials on using Unix to this category.
Unix servers are increasingly used to replace legacy computer systems, often forcing users to adapt to a new operating environment. Sites in this category are designed to help users and administrators of other operating systems migrate to Unix or Unix-like operating systems.
Please submit sites relating to Unix and Unix-like operating systems for users already familiar with other operating systems.