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Commodore PET was created in 1977.
No, the Commodore 64 was not the first home computer. The first widely successful home computer was the Commodore PET, which was released in 1977.
The PET was made by Commodore. (See links below)
1) The Commodore PET
2) The Apple II
Commodore has written:
'Commodore 64 Users Guide'