\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{bromono}
\pdfinfo{
  /Title (centos-cheat-sheet.pdf)
  /Creator (Cheatography)
  /Author (bromono)
  /Subject (CentOS 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{CentOS Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{bromono} via \textcolor{DarkBackground}{\uline{cheatography.com/20940/cs/3795/}}}
\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}bromono \\
  \uline{cheatography.com/bromono} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 1st April, 2015.\\
   Updated 12th May, 2016.\\
   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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Help Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{whatis}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Search whatis database for complete words; used to find short descriptions of system commands} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{which}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Shows the full path to shell commands} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{whereis}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Locate binary, source and man pages for a command} \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{apropos}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Search through a database of short description to find help and man pages containing certain terms and commands} \tn 
% Row Count 12 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{man}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Manual pages for commands} \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{1.27021 cm} x{2.16279 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Bash Variables}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{env}} & List current environment variables \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{echo}} {\emph{\$NAME}} & Output value of {\emph{\$NAME}} variable \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{export}} {\emph{NAME=value}} & set {\emph{\$NAME}} to value in enviroment \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{set}} & Change value of shell atrributes and positional parameters or display list of shell variables and functions \tn 
% Row Count 11 (+ 5)
% Row 4
\SetRowColor{LightBackground}
\$PATH & Exectuable search path \tn 
% Row Count 12 (+ 1)
% Row 5
\SetRowColor{white}
\$HOME & Home directory \tn 
% Row Count 13 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\$SHELL & Current shell \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Partitions and Disk Management}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{df}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Report file system disk space usage} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{mount}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Show whats mounted or mount a file system} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{unmount}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Unmount a file system} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{fuser}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Identifies processes using files or sockets} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{isof}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}list open files on the system} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{x{0.89258 cm} x{2.54042 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Directory Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{clear}} & clears your screen \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{pwd}} & Shows current directory \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
{\bf{cd}} & Change directories \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
{\bf{ls}} & List directory contents \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{\bf{mkdir}} & Create a new directory \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
{\bf{rmdir}} & Delete an empty directory \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.61794 cm} x{2.81506 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{File Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{cat}} & Print a file on the screen, concatenate files \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{touch}} & Create an empty file, change file timestamps \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{cp}} & Copy directories or files \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
{\bf{mv}} & Moves directories or files \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{\bf{rm}} & Removes directories or files (This is how you remove recursively) \tn 
% Row Count 9 (+ 3)
% Row 5
\SetRowColor{white}
{\bf{ln}} & Creates a symbolic or hard link for a file \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
{\bf{less}} & View a file on page at a time, allows for going backwards \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
{\bf{head}} & Print the first 10 lines of a file \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
{\bf{tail}} & Print the last 10 lines of a file \tn 
% Row Count 17 (+ 2)
% Row 9
\SetRowColor{white}
{\bf{wc}} & Count the number of words or characters in a file \tn 
% Row Count 19 (+ 2)
% Row 10
\SetRowColor{LightBackground}
{\bf{stat}} & Display file of file system status \tn 
% Row Count 21 (+ 2)
% Row 11
\SetRowColor{white}
{\bf{cut}} & Remove sections from lines of input \tn 
% Row Count 23 (+ 2)
% Row 12
\SetRowColor{LightBackground}
{\bf{paste}} & Merge lines of files \tn 
% Row Count 25 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.6866 cm} x{2.7464 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Searching Files}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{grep}} & Search text files for lines containing a matching pattern \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{locate}} & Find files by matching the whole path name \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{find}} & search for files in a directory hierarchy \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.78959 cm} x{2.64341 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Commands to know}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{uname}} & Prints information about a machine and operating system it is run on \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
{\bf{who}} & Print who is currently logged in \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{uptime}} & Prints system uptime and load \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{sudo}} & Execute a command as another user, usually with higher permissions \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{\bf{shutdown}} & Bring the system down in a safe way \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.61794 cm} x{2.81506 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{ls Options}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{-a}} & Show all (including hidden) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{-R}} & Recursive list \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
{\bf{-r}} & Reverse order \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
{\bf{-t}} & Sort by last modified \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{\bf{-S}} & Sort by file size \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
{\bf{-l}} & Long listing format \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
{\bf{-1}} & One file per line \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
{\bf{-m}} & Comma-separated output \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
{\bf{-Q}} & Quoted output \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.58361 cm} x{2.84939 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{grep Options}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{-i}} & Case insensitive search \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{-r}} & Recursive search \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
{\bf{-v}} & Inverted search \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
{\bf{-o}} & Show matched part of file only \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.75526 cm} x{2.67774 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Process Management}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{ps}} & Report on current processes \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{pstree}} & Display a tree of processes \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{top}} & Show real time processes \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
{\bf{kill}} & Terminate a process by PID \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{\bf{killall}} & Kill a process by name \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{pkill}} & Look up or signal processes based on same and other attributes \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
{\bf{pgrep}} & Grep for process information \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
{\bf{ctrl+z}} & Stop the job but don't end process \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
{\bf{\&}} & Place this after a command to put the process in the background \tn 
% Row Count 16 (+ 3)
% Row 9
\SetRowColor{white}
{\bf{jobs}} & Display all jobs \tn 
% Row Count 17 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{File Permissions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{chmod}} 775 {\emph{file}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Change file permissions to 775} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{chmod}} -R 600 {\emph{folder}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Recursively chmod {\emph{folder}} to 600} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{chown}} {\emph{user.group file}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Change {\emph{file}} owner to {\emph{user}} and group to {\emph{group}}} \tn 
% Row Count 7 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.47394 cm} p{0.73724 cm} p{0.71091 cm} p{0.71091 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{3.833cm}}{\bf\textcolor{white}{File Permission Numbers}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{3.833cm}}{First number is the {\bf{owner}} permission, second is {\bf{group}} and third is {\bf{everyone}}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{4}{x{3.833cm}}{Calculate permission digits by adding number below:} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
suid=4 & {\bf{421}} & {\bf{421}} & {\bf{421}} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
sgid=2 & {\bf{rwx}} & {\bf{rwx}} & {\bf{rwx}} \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
flag=1 & {\bf{owner}} & {\bf{group}} & {\bf{world}} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{4}{x{3.833cm}}{`example`: {\bf{cmod}} 777 {\emph{/etc/file.txt}}} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Networking Directories}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{/etc/sysconfig/network-scripts}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}This folder contains the configuration files for each interface on the system; usually named ifcfg-eth0 or ifcfg-eth1.} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{/etc/resolv.conf}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}This file contains the permanent Domain Name Server (DNS) settings} \tn 
% Row Count 7 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{p{0.78959 cm} x{2.64341 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{3.833cm}}{\bf\textcolor{white}{Networking}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{ifconfig}} & Configure network interface \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{route}} & Show/Manipulate the IP routing table \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{ip}} & Show/Manipulate routing, devices, policy and tunnels; replaces ifconfig, arp, and route \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
{\bf{ifup}} & Bring network interface up \tn 
% Row Count 8 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{\bf{ifdown}} & Bring network interface down \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
{\bf{ping}} & Send ICMP ECHO\_REQUEST to network hosts \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{3.833cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{3.833cm}}{\bf\textcolor{white}{Accounts and Security Administration}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{groupadd}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Create a new group} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{groupdel}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Delete a group} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{groupmod}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Modify definition of a specified group} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{useradd}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Create a new user} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{userdel}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Delete a user} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{usermod}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Modify a user account} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{passwd}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Update a user's password} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{vipw}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Edit password, group, shadow-password (Updates etc/shadow)} \tn 
% Row Count 17 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{3.833cm}}{{\bf{vigr}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Edit password, group, shadow-group (Updates etc/gshadow)} \tn 
% Row Count 20 (+ 3)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{3.833cm}}{{\bf{chage}}} \tn 
\mymulticolumn{1}{x{3.833cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Change password policy} \tn 
% Row Count 22 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}