\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
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\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{Dave Child (DaveChild)}
\pdfinfo{
  /Title (linux-command-line.pdf)
  /Creator (Cheatography)
  /Author (Dave Child (DaveChild))
  /Subject (Linux Command Line Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% 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
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\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\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 Command Line Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Dave Child (DaveChild)} via \textcolor{DarkBackground}{\uline{cheatography.com/1/cs/49/}}}
\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}Dave Child (DaveChild) \\
  \uline{cheatography.com/davechild} \\
        \uline{\seqsplit{aloneonahill}.com}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 28th October, 2011.\\
   Updated 29th February, 2020.\\
   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*}{3}

\begin{tabularx}{5.377cm}{x{3.08574 cm} x{1.89126 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Bash Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?uname"\}\}uname -a & Show system and kernel \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?head"\}\}head -n1 /etc/issue & Show distribution \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?mount"\}\}mount & Show mounted filesystems \tn 
% Row Count 11 (+ 3)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?date"\}\}date & Show system date \tn 
% Row Count 14 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?uptime"\}\}uptime & Show uptime \tn 
% Row Count 17 (+ 3)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?whoami"\}\}whoami & Show your username \tn 
% Row Count 20 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?man"\}\}man {\emph{command}} & Show manual for {\emph{command}} \tn 
% Row Count 24 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Bash Shortcuts}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-c & Stop current command \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}CTRL-z & Sleep program \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-a & Go to start of line \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}CTRL-e & Go to end of line \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-u & Cut from start of line \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}CTRL-k & Cut to end of line \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-r & Search history \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\{\{nobreak\}\}!! & Repeat last command \tn 
% Row Count 15 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\{\{nobreak\}\}!{\emph{abc}} & Run last command starting with {\emph{abc}} \tn 
% Row Count 17 (+ 2)
% Row 9
\SetRowColor{white}
\{\{nobreak\}\}!{\emph{abc}}:p & Print last command starting with {\emph{abc}} \tn 
% Row Count 19 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\{\{nobreak\}\}!\$ & Last argument of previous command \tn 
% Row Count 21 (+ 2)
% Row 11
\SetRowColor{white}
\{\{nobreak\}\}ALT-. & Last argument of previous command \tn 
% Row Count 23 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\{\{nobreak\}\}!* & All arguments of previous command \tn 
% Row Count 25 (+ 2)
% Row 13
\SetRowColor{white}
\{\{nobreak\}\}\textasciicircum{}{\emph{abc}}\textasciicircum{}{\emph{123}} & Run previous command, replacing {\emph{abc}} with {\emph{123}} \tn 
% Row Count 27 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.78712 cm} x{2.18988 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Bash Variables}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}env & Show environment variables \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?echo"\}\}echo {\emph{\$NAME}} & Output value of {\emph{\$NAME}} variable \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?export"\}\}export {\emph{NAME}}={\emph{value}} & Set {\emph{\$NAME}} to {\emph{value}} \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}\$PATH & Executable search path \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}\$HOME & Home directory \tn 
% Row Count 13 (+ 1)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}\$SHELL & Current shell \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{IO Redirection}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} \textless{} {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Input of {\emph{cmd}} from {\emph{file}}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd1}} \textless{}({\emph{cmd2}})} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Output of {\emph{cmd2}} as file input to {\emph{cmd1}}} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} \textgreater{} {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Standard output (stdout) of {\emph{cmd}} to {\emph{file}}} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} \textgreater{} /dev/null} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Discard stdout of {\emph{cmd}}} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} \textgreater{}\textgreater{} {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Append stdout to {\emph{file}}} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} 2\textgreater{} {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Error output (stderr) of {\emph{cmd}} to {\emph{file}}} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} 1\textgreater{}\&2} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}stdout to same place as stderr} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} 2\textgreater{}\&1} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}stderr to same place as stdout} \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}{\emph{cmd}} \&\textgreater{} {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Every output of {\emph{cmd}} to {\emph{file}}} \tn 
% Row Count 18 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\emph{cmd}} refers to a command.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Pipes}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}{\emph{cmd1}} | {\emph{cmd2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}stdout of {\emph{cmd1}} to {\emph{cmd2}}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}{\emph{cmd1}} |\& {\emph{cmd2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}stderr of {\emph{cmd1}} to {\emph{cmd2}}} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Command Lists}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}{\emph{cmd1}} ; {\emph{cmd2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Run {\emph{cmd1}} then {\emph{cmd2}}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}{\emph{cmd1}} \&\& {\emph{cmd2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Run {\emph{cmd2}} if {\emph{cmd1}} is successful} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}{\emph{cmd1}} || {\emph{cmd2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Run {\emph{cmd2}} if {\emph{cmd1}} is not successful} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}{\emph{cmd}} \&} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Run {\emph{cmd}} in a subshell} \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.08574 cm} x{1.89126 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Directory Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?pwd"\}\}pwd & Show current directory \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?mkdir"\}\}mkdir {\emph{dir}} & Make directory {\emph{dir}} \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?cd"\}\}cd {\emph{dir}} & Change directory to {\emph{dir}} \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}cd .. & Go up a directory \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?ls"\}\}ls & List files \tn 
% Row Count 15 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{ls Options}}  \tn
% Row 0
\SetRowColor{LightBackground}
-a & Show all (including hidden) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
-R & Recursive list \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
-r & Reverse order \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
-t & Sort by last modified \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
-S & Sort by file size \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
-l & Long listing format \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
-1 & One file per line \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
-m & Comma-separated output \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
-Q & Quoted output \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Search Files}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?grep"\}\}grep {\emph{pattern}} {\emph{files}} & Search for {\emph{pattern}} in {\emph{files}} \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}grep -i & Case insensitive search \tn 
% Row Count 7 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}grep -r & Recursive search \tn 
% Row Count 8 (+ 1)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}grep -v & Inverted search \tn 
% Row Count 9 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}grep -o & Show matched part of file only \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?find"\}\}find {\emph{/dir/}} -name {\emph{name}}* & Find files starting with {\emph{name}} in {\emph{dir}} \tn 
% Row Count 16 (+ 5)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}find {\emph{/dir/}} -user {\emph{name}} & Find files owned by {\emph{name}} in {\emph{dir}} \tn 
% Row Count 18 (+ 2)
% Row 7
\SetRowColor{white}
\{\{nobreak\}\}find {\emph{/dir/}} -mmin {\emph{num}} & Find files modifed less than {\emph{num}} minutes ago in {\emph{dir}} \tn 
% Row Count 21 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?whereis"\}\}whereis {\emph{command}} & Find binary / source / manual for {\emph{command}} \tn 
% Row Count 26 (+ 5)
% Row 9
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?locate"\}\}locate {\emph{file}} & Find {\emph{file}} (quick search of system index) \tn 
% Row Count 30 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{File Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?touch"\}\}touch {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Create {\emph{file1}}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?cat"\}\}cat {\emph{file1}} {\emph{file2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Concatenate files and output} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?less"\}\}less {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}View and paginate {\emph{file1}}} \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?file"\}\}file {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Get type of {\emph{file1}}} \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?cp"\}\}cp {\emph{file1}} {\emph{file2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Copy {\emph{file1}} to {\emph{file2}}} \tn 
% Row Count 15 (+ 3)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?mv"\}\}mv {\emph{file1}} {\emph{file2}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Move {\emph{file1}} to {\emph{file2}}} \tn 
% Row Count 18 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?rm"\}\}rm {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Delete {\emph{file1}}} \tn 
% Row Count 21 (+ 3)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?head"\}\}head {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Show first 10 lines of {\emph{file1}}} \tn 
% Row Count 24 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?tail"\}\}tail {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Show last 10 lines of {\emph{file1}}} \tn 
% Row Count 27 (+ 3)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?tail"\}\}tail -F {\emph{file1}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Output last lines of {\emph{file1}} as it changes} \tn 
% Row Count 30 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Watch a Command}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?watch"\}\}watch -n 5 'ntpq -p'} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Issue the 'ntpq -p' command every 5 seconds and display output} \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Process Management}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?ps"\}\}ps & Show snapshot of processes \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?top"\}\}top & Show real time processes \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?kill"\}\}kill {\emph{pid}} & Kill process with id {\emph{pid}} \tn 
% Row Count 12 (+ 4)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?pkill"\}\}pkill {\emph{name}} & Kill process with name {\emph{name}} \tn 
% Row Count 16 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?killall"\}\}killall {\emph{name}} & Kill all processes with names beginning {\emph{name}} \tn 
% Row Count 21 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Nano Shortcuts}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Files}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}Ctrl-R & Read file \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}Ctrl-O & Save file \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}Ctrl-X & Close file \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Cut and Paste}}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}ALT-A & Start marking text \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-K & Cut marked text or line \tn 
% Row Count 8 (+ 2)
% Row 7
\SetRowColor{white}
\{\{nobreak\}\}CTRL-U & Paste text \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Navigate File}}} \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
\{\{nobreak\}\}ALT-/ & End of file \tn 
% Row Count 11 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-A & Beginning of line \tn 
% Row Count 12 (+ 1)
% Row 11
\SetRowColor{white}
\{\{nobreak\}\}CTRL-E & End of line \tn 
% Row Count 13 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\{\{nobreak\}\}CTRL-C & Show line number \tn 
% Row Count 14 (+ 1)
% Row 13
\SetRowColor{white}
\{\{nobreak\}\}CTRL-\_ & Go to line number \tn 
% Row Count 15 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Search File}}} \tn 
% Row Count 16 (+ 1)
% Row 15
\SetRowColor{white}
\{\{nobreak\}\}CTRL-W & Find \tn 
% Row Count 17 (+ 1)
% Row 16
\SetRowColor{LightBackground}
\{\{nobreak\}\}ALT-W & Find next \tn 
% Row Count 18 (+ 1)
% Row 17
\SetRowColor{white}
\{\{nobreak\}\}CTRL-\textbackslash{} & Search and replace \tn 
% Row Count 19 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{More nano info at: \newline http://www.nano-editor.org/docs.php}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Screen Shortcuts}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="https://www.gnu.org/software/screen/manual/screen.html"\}\}screen} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Start a screen session.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}screen -r} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Resume a screen session.} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}screen -list} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Show your current screen sessions.} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}CTRL-A} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Activate commands for screen.} \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}CTRL-A c} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Create a new instance of terminal.} \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}CTRL-A n} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Go to the next instance of terminal.} \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}CTRL-A p} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Go to the previous instance of terminal.} \tn 
% Row Count 15 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}CTRL-A "} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Show current instances of terminals.} \tn 
% Row Count 17 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}CTRL-A A} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Rename the current instance.} \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{More screen info at: \newline http://www.gnu.org/software/screen/}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{File Permissions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?chmod"\}\}chmod 775 {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Change mode of {\emph{file}} to 775} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?chmod"\}\}chmod -R 600 {\emph{folder}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Recursively chmod {\emph{folder}} to 600} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}\{\{popup="http://unixhelp.ed.ac.uk/CGI/man-cgi?chown"\}\}chown {\emph{user}}:{\emph{group}} {\emph{file}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Change {\emph{file}} owner to {\emph{user}} and group to {\emph{group}}} \tn 
% Row Count 10 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{File Permission Numbers}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{First digit is owner permission, second is group and third is everyone.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Calculate permission digits by adding numbers below.} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
4 & read (r) \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
2 & write (w) \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
1 & execute (x) \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}