Unix Power Tools

The last version of Unix Power Tools appears to be the 3rd Edition, published 2002. It's available online and in PDF, in various levels of legit.

For something more up to date,

ChatGPT recommended: Linux Command Line and Shell Scripting Bible.

Reddit recommended: The Linux Command Line.

My Zotero currently has TLCLv5 and UPT, in the "Linux" folder.

References

Reddit: Anything like up-to-date "Unix Power Tools"?