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Study some Command Lines, Editor, Regular Expression (regex), and String Processing. There are too many “GNU/Linux” sites around, do your own GSGS!

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Basic Command Lines

• 60 essential Linux Commands
• Introduction to Linux and Basic Linux Commands for Beginners (13:56)
  • ls, cd, pwd, mkdir, rm, cp, mv, cat, more/less

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• The Complete Linux Course: Beginner to Power User! (7:23:52)
  • (QUOTED): This 7+ hour Ubuntu Linux tutorial will take you from beginner to power user.

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The VI editor

• Basics VI Commands
• VI Basics in 8 Minutes

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Regular Expressions (REGEX)

• Basic Regular Expressions in 15 minutes

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Bash Scripting

• Advanced Bash-Scripting Guide (Cooper) https://tldp.org/LDP/abs/abs-guide.pdf
• How to write a bash script

• A Beginner’s Introduction to BASH Shell Scripting

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SED (Stream Editor)

• GNU sed, a stream editor https://www.gnu.org/software/sed/manual/sed.pdf
• Using sed and RegEx

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AWK (Aho, Weinberger, and Kernighan)

• GAWK: Effective AWK Programming https://www.gnu.org/software/gawk/manual/gawk.pdf
• Learn the Basics of AWK (20 minutes)

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The MAN (Manual) Tutorial

• Linux Documentations
• A Quick Tutorial (4 minutes)

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Linus and Linux

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More Links

• Git Practice without GitHub
• Tar for Dummies.
• From Students for Students
• Links about Operating Systems

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