System V
At Bell Labs
Bell Labs, was the person who created UNIX.
UC Berkeley.
UNIX.
In Bell Labs which has its headquarters in New Jersey, but has had other locations.
The parent company of Bell Labs was AT&T. By federal law they were forbidden from competing in the computer industry. This being the case Unix was released to anyone who wanted it.
UNIX is not manufactured by a single company but originated from AT&T's Bell Labs in the late 1960s. Various versions and derivatives of UNIX have been developed by different organizations, including IBM (AIX), HP (HP-UX), and Oracle (Solaris). Today, many operating systems, such as Linux, are inspired by or based on UNIX principles, but they are not direct UNIX products.
Approximately 1969 at Bell Labs, by Dennis Richie and Ken Thompson.
Programming, its first major application was UNIX.
In a sense it was free; in the early to mid-70s you could get a copy of Unix (without source code) from Bell Labs with only the cost of the postage for the materials.
Unix was the computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna.
It was made in 1972 by Dennis Ritchie while he was working with Bell Telephone Labs. It was made for use with the UNIX Operating System.