#otd in 1971 Bell Labs released the first Unix Programmer's Manual. Download the free PDF here (th...

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#otd in 1971 Bell Labs released the first Unix Programmer's Manual. Download the free PDF here (third edition): https://t.co/uKGp5kkhPC (v/@CoolSWEng) https://t.co/T6pjK5tzx5

#otd in 1971 Bell Labs released the first Unix Programmer's Manual. Download the free PDF here (third edition): https://t.co/uKGp5kkhPC (v/@CoolSWEng) https://t.co/T6pjK5tzx5

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