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hollybik suggested improvements (and one typo) - Instructor Checkout #854

hollybik opened this Issue Oct 10, 2018 · 0 comments


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hollybik commented Oct 10, 2018

Possible confusion with 'ls' command

The first few unix shell lesson subsections switch between ls and ls -F without ever really explaining why. Furthermore, the longer command ls -F is never fully explained (and the man page for ls doesn't provide helpful information on what this flag is doing in case users are trying to figure it out on their own). Issue #846 has raised this same point.

Typo in "Loops" subsection

If you type '>' or '$' yourself, it is an instruction from you that the shell to redirect output or get the value of a variable.

fix to read as:
If you type '>' or '$' yourself, it is an instruction from you that the shell should redirect output or get the value of a variable.

Increasing prominence of core command line navigation skills

Tab completion, moving around a line using 'Ctrl-a' and 'Ctrl-e', and using up/down arrow to view previous commands are three important concepts, but currently they are all buried in the middle of different Unix Shell sections. You have to read the lesson very carefully or you will miss the brief mention of these concepts. I would consider moving these skills up to the first "introducing the shell" section, since these are important core concepts. At minimum, I think they would be better covered up front at the beginning of one of the unix lesson subsections, and highlighted in a "key points" colored text box. Based on my workshop teaching experience, this is something that beginning command line users often get very confused about, and it benefits their confidence/skills to introduce these navigational tips early on in a workshop.

Minor edits to "Finding things" subsection

In the "Finding things" subsection, there could be a quick reminder to cd data-shell/writing before running the find commands. After the grep exercises, users are likely to be in another directory or subdirectory.

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