\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{lunatic2rage}
\pdfinfo{
  /Title (linux-se370.pdf)
  /Creator (Cheatography)
  /Author (lunatic2rage)
  /Subject (Linux - SE370 Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Linux - SE370 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{lunatic2rage} via \textcolor{DarkBackground}{\uline{cheatography.com/57750/cs/15290/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}lunatic2rage \\
  \uline{cheatography.com/lunatic2rage} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 27th March, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{4}

\begin{tabularx}{3.833cm}{x{0.89258 cm} x{2.54042 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Basic Navigation}}  \tn
% Row 0
\SetRowColor{LightBackground}
pwd & Where am I in the system. \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
ls {[}path{]} & Perform a listing of the given path or your current directory.     Common options: -l, -h, -a \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
cd {[}path{]} & Change into the given path or into your home directory. \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
Path & A description of where a file or directory is on the filesystem. \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
Absolute Path & One beginning from the root of the file system (eg. /etc/sysconfig ). \tn 
% Row Count 13 (+ 3)
% Row 5
\SetRowColor{white}
Relative Path & One relative to where you currently are in the system (eg. Documents/music ). \tn 
% Row Count 16 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\textasciitilde{} (tilde) & Used in paths as a reference to your home directory (eg. \textasciitilde{}/Documents ). \tn 
% Row Count 19 (+ 3)
% Row 7
\SetRowColor{white}
. (dot) & Used in paths as a reference to your current directory (eg. ./bin ). \tn 
% Row Count 22 (+ 3)
% Row 8
\SetRowColor{LightBackground}
.. (dot dot) & Used in paths as a reference to your current directories parent directory (eg. ../bin ). \tn 
% Row Count 26 (+ 4)
% Row 9
\SetRowColor{white}
TAB \seqsplit{completion} & Start typing and press TAB. The system will auto complete the path. Press TAB twice and it will show you your alternatives. \tn 
% Row Count 31 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.13289 cm} x{2.30011 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Manual Pages}}  \tn
% Row 0
\SetRowColor{LightBackground}
man \textless{}command\textgreater{} & View the man page for a command. \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
man -k \textless{}search term\textgreater{} & Search for man pages containing the search term. \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{3.833cm}}{Press q to exit man pages}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.40753 cm} x{2.02547 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{More About Files}}  \tn
% Row 0
\SetRowColor{LightBackground}
file {[}path{]} & Find out what type of item a file or directory is. \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Spaces in names & Put whole path in quotes ( " ) or a backslash ( \textbackslash{} ) in front of spaces. \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Hidden files and directories & A name beginning with a . (dot) is considered hidden. \tn 
% Row Count 10 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.33887 cm} x{2.09413 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Permissions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{3.833cm}}{r (read) w (write) x (execute)} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{3.833cm}}{Owner or User, Group and Others} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
ls -l {[}path{]} & View the permissions of a file or all items in a directory. \tn 
% Row Count 5 (+ 3)
% Row 3
\SetRowColor{white}
chmod \textless{}permissions\textgreater{} \textless{}path\textgreater{} & Change permissions. Permissions can be either shorthand (eg. 754) or longhand (eg. g+x). \tn 
% Row Count 9 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}