\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{silkgoat}
\pdfinfo{
  /Title (linux-commands-cheat-sheet.pdf)
  /Creator (Cheatography)
  /Author (silkgoat)
  /Subject (Linux Commands 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}{9E9E9E}
\definecolor{LightBackground}{HTML}{F8F8F8}
\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 Commands Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{silkgoat} via \textcolor{DarkBackground}{\uline{cheatography.com/78018/cs/19067/}}}
\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}silkgoat \\
  \uline{cheatography.com/silkgoat} \\
  \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 11th March, 2019.\\
   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*}{2}

\begin{tabularx}{8.4cm}{x{2.64 cm} x{5.36 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{System}}  \tn
% Row 0
\SetRowColor{LightBackground}
cat /proc|/sys & Print the content of kernel memory \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
df & Display free disk space \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
dmesg & Print kernel and driver messages \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
dmidecode & Display hardware information from the BIOS \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
du & Estimate file/directory space usage \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
free/vmstat & Display memory usage \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
lshw / lspci / lsusb & Display hardware information \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
strace & Trace system calls and signals of a process \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
sync & Synchronize data on disk with memory \tn 
% Row Count 16 (+ 2)
% Row 9
\SetRowColor{white}
uname & Print system information \tn 
% Row Count 17 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.36 cm} x{6.64 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{File}}  \tn
% Row 0
\SetRowColor{LightBackground}
cat & Print the content of a file \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
cmp & Compare two files byte by byte \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
diff & Compare files line by line \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
file & Determine file type \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
head & Output the first part of a file \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
less & Display output one screen at a time \tn 
% Row Count 7 (+ 2)
% Row 6
\SetRowColor{LightBackground}
more & Display output one screen at a time \tn 
% Row Count 9 (+ 2)
% Row 7
\SetRowColor{white}
sort & Sort text file \tn 
% Row Count 10 (+ 1)
% Row 8
\SetRowColor{LightBackground}
tail & Output the last part of a file \tn 
% Row Count 11 (+ 1)
% Row 9
\SetRowColor{white}
tee & Redirect output to multiple files \tn 
% Row Count 12 (+ 1)
% Row 10
\SetRowColor{LightBackground}
touch & Change file timestamp/create empty file \tn 
% Row Count 14 (+ 2)
% Row 11
\SetRowColor{white}
\seqsplit{truncate} & Shrink or extend the size of a file \tn 
% Row Count 16 (+ 2)
% Row 12
\SetRowColor{LightBackground}
which & Locate a command on \$PATH (and in aliases) \tn 
% Row Count 18 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2 cm} x{6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Users}}  \tn
% Row 0
\SetRowColor{LightBackground}
getent passwd & Get user entries from NSS \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
id & Print real and effective user and group \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{1.04 cm} x{6.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Shell}}  \tn
% Row 0
\SetRowColor{LightBackground}
env & Display current user environment variables \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
false & Do nothing, unsuccessfully \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{source} & Read  and  execute commands from filename \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
true & Do nothing, successfully \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{1.04 cm} x{6.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Search}}  \tn
% Row 0
\SetRowColor{LightBackground}
find & Search for files in a directory hierarchy \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
grep & Find pattern in a file by lines \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{locate} & Find files (in locatedb generated by updatedb) \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.2 cm} x{6.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Network}}  \tn
% Row 0
\SetRowColor{LightBackground}
arp & Manipulate system arp cache \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
dig & DNS lookup utility \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
ip & Manipulate network interfaces settings \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
mtr & Network diagnostics \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{netstat} & Print network statistics \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
ping & Send ICMP echo requests to network hosts \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{tcpdump} & Dump network traffic \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{1.04 cm} x{6.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Processes}}  \tn
% Row 0
\SetRowColor{LightBackground}
kill & Send a signal to a process \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
lsof & List open files \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
pkill & Send a signal to a process by name or other attributes \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
pmap & Report memory map of a process \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
ps & Report a snapshot of a current process \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{pstree} & Display the process tree \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
watch & Execute a program periodically and capture the output \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}