\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{datamansam}
\pdfinfo{
  /Title (bash-scripting.pdf)
  /Creator (Cheatography)
  /Author (datamansam)
  /Subject (BASH Scripting Cheat Sheet)
}

% Lengths and widths
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\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
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\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\definecolor{FootBackground}{HTML}{666666}
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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{BASH Scripting Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{datamansam} via \textcolor{DarkBackground}{\uline{cheatography.com/139410/cs/32170/}}}
\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}datamansam \\
  \uline{cheatography.com/datamansam} \\
  \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 May, 2022.\\
   Updated 30th May, 2022.\\
   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}{p{0.54747 cm} x{4.42953 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Lists and List Options}}  \tn
% Row 0
\SetRowColor{LightBackground}
ls & List all values in present working directory \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
ls -R & List all files in sub-directories as well \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
ls -a & List hidden files as well \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.09034 cm} x{2.88666 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Moving and Renaming Files}}  \tn
% Row 0
\SetRowColor{LightBackground}
mv file "new file path" & Moves the files to the new location \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
mv filename new\_file\_name & Renames the file to a new filename \tn 
% Row Count 4 (+ 2)
\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}{Insert mode}}  \tn
% Row 0
\SetRowColor{LightBackground}
i & insert at cursor \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
a & Write after cursor \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
A & Write at end of line \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
ESC & Terminate insert mode \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
u & Undo last change \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
U & undo change to entire last line \tn 
% Row Count 6 (+ 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}{For loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\# For loop in Bash; Basic \newline for x in 1 2 3 \newline do \newline     echo \$x \newline done \newline 1 \newline 2 \newline 3 \newline  \newline \# For loop in Bash; Range \newline \{START..STOP..INCREMENT\} \newline for x in \{1..5..2\} \newline do \newline     echo \$x \newline done \newline Output: \newline 1 \newline 2 \newline 5 \newline  \newline  \newline \# For loop; Three expression  \newline for ((x=2;x\textless{}=4;x+=2)) \newline do \newline     echo \$x \newline done \newline  \newline Output: \newline 2 \newline 4} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.79632 cm} x{4.18068 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Home Directory}}  \tn
% Row 0
\SetRowColor{LightBackground}
cd & Navigate to home directory \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
cd .. & Move one level up \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
cd / & Move to root directory \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.64701 cm} x{4.32999 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Process Management}}  \tn
% Row 0
\SetRowColor{LightBackground}
ps & Display currently running processes \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
ps -ef & Display currently running processes on system \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Search Files}}  \tn
% Row 0
\SetRowColor{LightBackground}
grep pattern files & grep 'word' filename \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
grep -i & Case insensitive search \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
grep -R 'httpd' & Look for all files in the current directory and in all of its subdirectories \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
grep -c 'nixcraft' frontpage.md & Search and display the total number of times that the string 'nixcraft' appears in a file \tn 
% Row Count 13 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Directory with a for loop}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\# Search for books in the book directory that contain air \newline  \newline for book in \$(ls books/ | grep -i 'air') \newline do \newline     echo \$book \newline done \newline  \newline AirportBook.txt \newline FairMarketBook.tx} \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}{Case Statements}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{case 'STRING' in \newline PATTERN1) \newline COMMAND1;; \newline PATTERN2) \newline COMMAND2;; \newline {\emph{) \newline DEFAULT COMMAND;; \newline esac \newline  \newline case \$(cat \$1) in \newline }}sydney{\emph{) \newline mv \$1 sydney/ ;; \newline }}melbourne{\emph{|}}brisbane{\emph{) \newline rm \$1 ;; \newline }}canberra{\emph{) \newline mv \$1 "IMPORTANT\_\$1" ;; \newline }}) \newline echo "No cities found" ;; \newline esac} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.18528 cm} x{1.79172 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Creating and viewing a file}}  \tn
% Row 0
\SetRowColor{LightBackground}
Creates a new file & cat \textgreater{} filename \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Displays the file content & cat filename \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{BASH variables}}  \tn
% Row 0
\SetRowColor{LightBackground}
Set with an equal sign & \seqsplit{greeting="Hello"} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Access with a \$ & echo \$greeting \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Control Flow}}  \tn
% Row 0
\SetRowColor{LightBackground}
Direct Output of Second command to first & 1st\_command \$ 2nd Command \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Runs the 2nd command only if the 1st command runs successfully. & 1stcommand \&\& 2nd Command \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Runs the 2nd command only if the 2nd command does not run successfully. & A || B  \# Run B if and only if A failed \tn 
% Row Count 10 (+ 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}{While Statement}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Set a condition which is tested at each iteration: \newline  \newline x=1 \newline while {[} \$x -le 3 {]}; \newline do \newline     echo \$x \newline      ((x+=1)) \newline done} \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}{if, then, else statement}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{if then else: \newline x="Queen" \newline if {[} CONDITION {]}; \newline if {[} \$x == "King" {]}; \newline then \# SOME CODE \newline then echo "\$x is a King!" \newline else \# SOME OTHER CODE \newline else echo "\$x is not a King!" \newline fi \newline fi} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Navigating With Cursor}}  \tn
% Row 0
\SetRowColor{LightBackground}
Alt + b & move backward one word \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Alt + f & move forward one word \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Alt + u & make entire word after cursor uppercase \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Alt + c & make first letter after cursor uppercase \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Alt + d & delete word after cursor \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\textasciicircum{}a & beginning of line \tn 
% Row Count 11 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textasciicircum{}e & end of line \tn 
% Row Count 12 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}