Blogs & Articles
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bc command in Linux
learn bc command in Linux, set scale, remove warranty info, set an alias for these two, use sin, cos, tan, log, etc, use bc in shell scripts
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Regular Expression (Regex, and Regexp) in Linux Ft. Grep
This is about regular expression (aka regex, regexp) – anchors (dot and dollar), brackets ((,[,{), named class, alternation, back-references.
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Grep Command in Linux with Examples
This article is about the grep command in Linux with examples – case insensitive search, types of regex, colored and numbered output.