mh and xmh
He's a co-author of the classic UNIX Power Tools
Add'l ORA pubs:
"Power Tools" columns for Linux Magazine:
Though I've not read it specifically, From Bash to Z Shell seems likely to focus on shell art and arcana most closely.
His 1999 SVLUG talk was a classic, the slides don't give it justice, though there are some nuggets there for many users.
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