This link captures the confusion about how to pronounce "fsck":
https://lwn.net/Articles/190223/
Here's the truth. Ted Kowalski, username frodo, may he rest in peace, was the original author, just down the hall from my office in Murray Hill, and his name for the program had a 'u' where there is now an 's'. Management made him change it for distribution, but they couldn't make him change his pronunciation.
@robpike oh man, all those mentions of Hans Reiser in the comments section have aged... interestingly.
@egallager oh wow yeah
@CatherineFlick I double-checked his Wikipedia article, and apparently the date of his wife's disappearance was in September 2006... 2 months after the comments about him here were made.
@egallager yeah he was a piece of work at the time, I remember the flame wars! And then XFS came to Linux and (after a few teething problems) everyone breathed a sigh of relief