to do then now would be retro, to do then then was very nowtro

Operating Systems in 1987

Everyone

Sort by: Name Count

(since 1982) 24

(since 1981) 13

(since 1981) 9

Mac OS ("Classic")

(since 1984) 8

(since 1980) 8

(since 1985) 4

(since 1980) 4

(since 1983) 4

(since 1986) 3

(since 1986) 2

(since 1982) 1

Berkeley Software Distribution

(since 1981) 1

(since 1987, that's this year!) 1

(since 1983) 1

(since 1985) 1

(since 1983) 1

(since 1987, that's this year!) 1