probably you wanna visit his real website though... as long as it lives:
http://ywstd.fr
Index of /links/
Commands
awk(1) cheatsheet by Ypnose
GNU BRE and ERE cheatsheet
nftables quick reference
SQL commands cheatsheet by Ypnose
HTML / CSS
Mozilla web docs
POSIX
sh(1)
Utilities
Shell
Bash FAQ
Learning the Korn Shell (1rst edition)
Learning the Korn Shell (2nd edition)
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