{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Unix Review of Basics"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Navigation"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`pwd`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`ls`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`cd`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## File manipulation"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`mkdir`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`rmdir`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`touch`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`cp`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`mv`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`rm`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`chmod`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Text"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`echo`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`printf`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`cat`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`head`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`tail`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`less`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`cut`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Regular expressions"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`grep`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## I/O and streams"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`>`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`2>`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`&>`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`>>`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`<`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Pipe"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "bash: command substitution: line 1: syntax error near unexpected token `|'\n",
      "bash: command substitution: line 1: `|'\n"
     ]
    },
    {
     "ename": "",
     "evalue": "1",
     "output_type": "error",
     "traceback": []
    }
   ],
   "source": [
    "`|`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Utilities"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`wc`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`sort`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`rev`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`tr`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`gzip, gunzip`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`tar`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`md5sum`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Scripting"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`#`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`\\`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "```bash\n",
    "GREET=\"hello\"\n",
    "echo $GREET\n",
    "```"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "```bash\n",
    "export GREET=\"hello\"\n",
    "```"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`for; do; done`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`if; then; else; fi`"
   ]
  }
 ],
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