Unix articles

pixar toy story movies

How Pixar recovered Toy Story 2 after a Unix command deleted nearly the entire film in 1998

Oops: Twenty-eight years ago, Pixar nearly lost 90% of Toy Story 2's digital files – not because a system crashed, but because someone ran a routine Unix command that engineers had been using for years without a second thought. The command /bin/rm -r -f instructs the system to recursively delete everything under a directory without asking for confirmation. At Pixar in 1998, it was apparently executed in the wrong location.
university utah unix recovery old school preservation

Lost Unix v4 source code from 1973 recovered from decades-old magnetic tape

Through the looking glass: A half-century-old magnetic tape containing the only known copy of Unix v4 has been found and recovered by the University of Utah's School of Computing. The nine-track 3M magnetic tape dates back to 1973 and contains roughly 40 megabytes of data – the earliest surviving Unix release in which both the kernel and core utilities were written in C.