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Greg Kemnitz
I agree that for the most part, you can learn obscure commands as you need them. If I were to recommend a short list of commands, I'd say:
2. Learn how commands react when they exit on success and exit on error, so you can process them in Bash scripts.
3. Learn sed, awk, grep, and egrep.
4. Occasionally, sort and uniq can be useful, as is expr for calculations.
5. It's also worth knowing how to use date for date formatting on occasion, particularly if you're doing bash scripts that create files with dates in the filename.
2. The "ps" command in its full glory is useful.
3. Obviously, ls, cd, pushd/popd.
4. man itself
5. Your favorite browser, so you can ask questions and google up the more obscure commands Linux and Unix have a lot of apps that you'll use once a year and basically forget the rest of the time.
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I agree that for the most part, you can learn obscure commands as you need them. If I were to recommend a short list of commands, I'd say:
- Commands useful in scripts
2. Learn how commands react when they exit on success and exit on error, so you can process them in Bash scripts.
3. Learn sed, awk, grep, and egrep.
4. Occasionally, sort and uniq can be useful, as is expr for calculations.
5. It's also worth knowing how to use date for date formatting on occasion, particularly if you're doing bash scripts that create files with dates in the filename.
- Other commands worth knowing well
2. The "ps" command in its full glory is useful.
3. Obviously, ls, cd, pushd/popd.
4. man itself
5. Your favorite browser, so you can ask questions and google up the more obscure commands Linux and Unix have a lot of apps that you'll use once a year and basically forget the rest of the time.
- Learn either the emacs or vi editor really well, including the global "line edit" modes, which are shockingly powerful.
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