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Do not follow this guide. It is outdated and IIRC in some places actually wrong. Much, much better is the Bash Hacker's Wiki: https://wiki.bash-hackers.org/ h

Do not follow this guide. It is outdated and IIRC in some places actually wrong. Much, much better is the Bash Hacker's Wiki: https://wiki.bash-hackers.org/ https://wiki.bash-hackers.org/ And Wooledge's Wiki: https://mywiki.wooledge.org/BashFAQ https://mywiki.wooledge.org/BashFAQ

oars 4y ago
Thanks and very much agreed, the resources in your comment are much better than the OP.
jolux 4y ago
The Bash Hacker's Wiki is not sequentially structured like this, and I observe that it even links to OP under "Recommended Shell resources."