Added disk usage and file commands; updated layout

linux-cheat-sheet.tex

@@ -1,6 +1,9 @@
-\documentclass[letter, landscape]{article}
+\documentclass[8pt, letter, landscape]{extarticle}
+\usepackage{extsizes}
 \usepackage[
-	margin=0.5in
+	margin=0.5in,
+	top=2cm,
+	bottom=2cm	
 ]{geometry}
 
 \usepackage{lmodern}
@@ -8,9 +11,18 @@
 \usepackage{enumitem}
 \setlist[description]{
 	style=nextline,
-	font={\bfseries\ttfamily}
+	font={\bfseries\ttfamily},
+	itemsep=0pt,
+	parsep=0pt
 	}
 
+\usepackage{fancyhdr}
+\pagestyle{fancy}
+ \fancyhf{}
+ \fancyhead[L]{\textbf{A Linux Cheat Sheet}}
+ \fancyhead[R]{\texttt{https://git.kjodle.net/kjodle/linux-cheat-sheet}}
+ \fancyfoot[R]{Page \thepage}
+
 \usepackage{multicol}
 \setlength{\columnseprule}{1pt}
 \setlength{\columnsep}{1cm}
@@ -42,7 +54,7 @@
 \section*{A Linux Cheat Sheet}
 
 
-\begin{multicols*}{3}
+\begin{multicols*}{4}
 
 \subsection*{Directory}
 
@@ -59,14 +71,42 @@
 
 \subsection*{Disk Usage}
 
+\begin{description}
+	\item[df] Get a report on the system's disk space usage
+	\item[du] Check the disk space usage of a file or directory
+	\item[du -ah] Show disk usage for all files and directories in human readable sizes
+	\item[du -sh]  Show disk usage of the current directory
+	\item[fdisk -l] Show disk partitions, sizes, and types
+	\item[findmnt] Show target mount point for all filesystems
+\end{description}
+
 \subsection*{File}
 
+\begin{description}
+	\item[ls] List files in a directory
+	\item[ls -R] List all files in all subdirectories
+	\item[ls -a] List hidden files
+	\item[ls -l] List detailed information in a tabular format
+\end{description}
+
 \subsection*{System}
 
+\begin{description}
+	\item[]
+\end{description}
+
 \subsection*{Network}
 
+\begin{description}
+	\item[]
+\end{description}
+
 \subsection*{User}
 
+\begin{description}
+	\item[]
+\end{description}
+
 \subsection*{Keyboard Shortcuts}
 
 \begin{description}