CommandLine/Unix/command_line_basics.ipynb

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    "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n",
    "<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#Why-Do-I-Need-to-Know-This?\" data-toc-modified-id=\"Why-Do-I-Need-to-Know-This?-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>Why Do I Need to Know This?</a></span></li><li><span><a href=\"#Navigating\" data-toc-modified-id=\"Navigating-2\"><span class=\"toc-item-num\">2&nbsp;&nbsp;</span>Navigating</a></span><ul class=\"toc-item\"><li><span><a href=\"#Visual-Example\" data-toc-modified-id=\"Visual-Example-2.1\"><span class=\"toc-item-num\">2.1&nbsp;&nbsp;</span>Visual Example</a></span></li><li><span><a href=\"#Commands\" data-toc-modified-id=\"Commands-2.2\"><span class=\"toc-item-num\">2.2&nbsp;&nbsp;</span>Commands</a></span></li></ul></li><li><span><a href=\"#Exploring\" data-toc-modified-id=\"Exploring-3\"><span class=\"toc-item-num\">3&nbsp;&nbsp;</span>Exploring</a></span><ul class=\"toc-item\"><li><span><a href=\"#What's-in-this-file?\" data-toc-modified-id=\"What's-in-this-file?-3.1\"><span class=\"toc-item-num\">3.1&nbsp;&nbsp;</span>What's in this file?</a></span></li></ul></li><li><span><a href=\"#Making-Changes\" data-toc-modified-id=\"Making-Changes-4\"><span class=\"toc-item-num\">4&nbsp;&nbsp;</span>Making Changes</a></span><ul class=\"toc-item\"><li><span><a href=\"#Files-&amp;-Folders\" data-toc-modified-id=\"Files-&amp;-Folders-4.1\"><span class=\"toc-item-num\">4.1&nbsp;&nbsp;</span>Files &amp; Folders</a></span><ul class=\"toc-item\"><li><span><a href=\"#Create\" data-toc-modified-id=\"Create-4.1.1\"><span class=\"toc-item-num\">4.1.1&nbsp;&nbsp;</span>Create</a></span></li><li><span><a href=\"#Reorganize\" data-toc-modified-id=\"Reorganize-4.1.2\"><span class=\"toc-item-num\">4.1.2&nbsp;&nbsp;</span>Reorganize</a></span></li><li><span><a href=\"#Remove----Careful!-Here-be-Dragons!\" data-toc-modified-id=\"Remove----Careful!-Here-be-Dragons!-4.1.3\"><span class=\"toc-item-num\">4.1.3&nbsp;&nbsp;</span>Remove -- Careful! Here be Dragons!</a></span></li></ul></li></ul></li><li><span><a href=\"#Extras\" data-toc-modified-id=\"Extras-5\"><span class=\"toc-item-num\">5&nbsp;&nbsp;</span>Extras</a></span></li></ul></div>"
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   "source": [
    "# Why Do I Need to Know This?"
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    "Navigating by remoting into cloud server (most are Linux/Unix-based)"
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   "source": [
    "# Navigating"
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    "Hierarchical structure\n",
    "\n",
    "**\"Directory\"** == folder"
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    "`.` : Current directory\n",
    "\n",
    "`..` : Directory above\n",
    "\n",
    "`*` : wildcard"
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   "source": [
    "## Visual Example"
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    "<img src='https://www.madfientist.com/wp-content/uploads/2018/01/meaning-of-life.png'/>\n",
    "<img src='https://nyashacharumbiratheitguy.files.wordpress.com/2017/02/d0c50-linux2bfile2bsystem2bhierarchy.jpg'/>"
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   "source": [
    "## Commands"
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    "* `pwd`: Where am I?\n",
    "* `cd` : Move to here"
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    "# Exploring"
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    "* `ls`: What's in here?"
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    "## What's in this file?"
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    "* `head`: first part of file\n",
    "* `more`/`less`: part of file plus some\n",
    "* `nano` : editor on most systems\n",
    "* `vi` : personal favorite editor (down with emacs!)\n",
    "* `cat`: can read (also write given some tricks)"
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    "# Making Changes"
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    "## Files & Folders"
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    "### Create"
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    "* `mkdir`: Make a directory\n",
    "* `touch`: Create an empty file\n",
    "* `cp` : Copy a dir/file\n",
    "* `cat`: can write to another file with append operators (`>` and `>>`)"
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    "### Reorganize"
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    "* `mv` : Move a dir/file"
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    "### Remove -- Careful! Here be Dragons!"
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    "* `rm`: No confirmation delete!"
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    "# Extras"
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    "* `man`: get help on a command\n",
    "* `ssh`:  into somewhere else (another computer)"
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    "Remember the options/flags!"
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