\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{kosackm}
\pdfinfo{
  /Title (sys-admin.pdf)
  /Creator (Cheatography)
  /Author (kosackm)
  /Subject (Sys Admin Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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\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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\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{Sys Admin Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{kosackm} via \textcolor{DarkBackground}{\uline{cheatography.com/89661/cs/20408/}}}
\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}kosackm \\
  \uline{cheatography.com/kosackm} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 12th December, 2019.\\
   Updated 12th December, 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*}{3}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Bash}}  \tn
% Row 0
\SetRowColor{LightBackground}
\#!/bin/env bash & the shebang \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
./ file-name.sh & how to run a bash script \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
X="hello" & set variables \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\$X & use the variable \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
exit code & 1 for false, 0 for true \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
{[} {]} & shorthand for test \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
{[}{[} {]}{]} & better shorthand for test, handles spaces better \tn 
% Row Count 11 (+ 3)
% Row 7
\SetRowColor{white}
if {[}{[} {]}{]}; then;  fi & basic if-then-exit statement \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
if {[}{[} {]}{]}; then; else;  fi & basic if-then-else \tn 
% Row Count 15 (+ 2)
% Row 9
\SetRowColor{white}
if {[}{[} {]}{]}; then; elif {[}{[} {]}{]}; then;  else;  fi & basic if-elif \tn 
% Row Count 18 (+ 3)
% Row 10
\SetRowColor{LightBackground}
\$? & exit code of last run command \tn 
% Row Count 20 (+ 2)
% Row 11
\SetRowColor{white}
\$1, \$2 … \$9 & argument 1, arg 2, ... \tn 
% Row Count 22 (+ 2)
% Row 12
\SetRowColor{LightBackground}
env & see all variables already set \tn 
% Row Count 24 (+ 2)
% Row 13
\SetRowColor{white}
\_\_ -eq \_\_ & check if things are equal \tn 
% Row Count 26 (+ 2)
% Row 14
\SetRowColor{LightBackground}
bash -x \_\_\_\_ & debugger \tn 
% Row Count 27 (+ 1)
% Row 15
\SetRowColor{white}
for \_\_ in \_\_ ; do; commands; done & basic for loop, ; indicates new line \tn 
% Row Count 29 (+ 2)
% Row 16
\SetRowColor{LightBackground}
while true; do; commands; done & while loop \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Bash (cont)}}  \tn
% Row 17
\SetRowColor{LightBackground}
until true; do; commands; done & until loop \tn 
% Row Count 2 (+ 2)
% Row 18
\SetRowColor{white}
break & exit a loop \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Ownership}}  \tn
% Row 0
\SetRowColor{LightBackground}
chown/chgrp {[}owner{]} {[}file{]} & change owner/group \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
chmod {[}u,g,o{]}+{[}permission{]} {[}file{]} & add permissions \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
chmod {[}u,g,o{]}-{[}permission{]} {[}file{]} & remove permission \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
{[}u, g, o{]} & user, group, other \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
{[}permission{]} & read (r), write (w), execute (x) \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
7 & read, write and execute permissions \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
6 & read and write permissions \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
5 & read and execute permissions \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
4 & read permissions \tn 
% Row Count 16 (+ 1)
% Row 9
\SetRowColor{white}
3 & write and execute permissions \tn 
% Row Count 18 (+ 2)
% Row 10
\SetRowColor{LightBackground}
2 & write permissions \tn 
% Row Count 19 (+ 1)
% Row 11
\SetRowColor{white}
1 & execute permissions \tn 
% Row Count 20 (+ 1)
% Row 12
\SetRowColor{LightBackground}
0 & no permissions \tn 
% Row Count 21 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.43873 cm} x{2.53827 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{How We Set Up Samba}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{sudo dnf install samba} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
sudo nano \seqsplit{/etc/samba/smb.conf} & add gloabals \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{map archive = no} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{map hidden = no} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{map read only = no} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{map system = no} \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{store dos attributes = yes} \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
sudo firewall-cmd -{}-add-service=samba & open the firewall \tn 
% Row Count 10 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{sudo systemctl start smb.service} \tn 
% Row Count 11 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{sudo systemctl start nmb.service} \tn 
% Row Count 12 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{sudo systemctl enable smb.service} \tn 
% Row Count 13 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{sudo systemctl enable nmb.service} \tn 
% Row Count 14 (+ 1)
% Row 12
\SetRowColor{LightBackground}
sudo smbpasswd -a {[}user{]} & add the user and give password for samba \tn 
% Row Count 16 (+ 2)
% Row 13
\SetRowColor{white}
sudo setsebool -P \seqsplit{samba\_export\_all\_rw} 1 & need this to let samba run because of a se fedora setting \tn 
% Row Count 19 (+ 3)
\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}{Networking}}  \tn
% Row 0
\SetRowColor{LightBackground}
TCP/IP & Transmission Control Protocol/Internet Protocol \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
ping {[}web address{]} & send packets to web address to test connection and speed \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
ping -s {[}number{]} {[}address{]} & change packet size sent \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
traceroute {[}web address{]} & shows route packets take when being sent \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
firewall-cmd -{}-remove-port={[}port \#{]}/{[}port type{]} & take down firewall for specified port \tn 
% Row Count 13 (+ 3)
% Row 5
\SetRowColor{white}
firewall-cmd -{}-add-port={[}port \#{]}/{[}port type{]} & put up firewall for specified port \tn 
% Row Count 16 (+ 3)
% Row 6
\SetRowColor{LightBackground}
firewall-cmd -{}-add-service={[}service{]} & some services are recognized by firewall command, use this to let them work \tn 
% Row Count 20 (+ 4)
\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}{Secure Shell}}  \tn
% Row 0
\SetRowColor{LightBackground}
ssh {[}name{]}@{[}system name{]} & using the secure shell \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
scp {[}dir{]}/{[}file{]} {[}name{]}@{[}system name{]}: & copy from local to other system \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
scp {[}name{]}@{[}system name{]}:{[}dir{]}/{[}file{]}  . & copy from other system to local \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.04057 cm} x{2.93643 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Common Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
sudo !! & run previous command as sudo \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
man {[}command{]} & for manpages (give info about command) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
mkdir & make directory \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
rmdir & remove directory \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
cp -r {[}source{]} {[}destination{]} & copy file recursively \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
which {[}filename{]} & gives location of file \tn 
% Row Count 9 (+ 1)
% Row 6
\SetRowColor{LightBackground}
less & read files and able to scroll through, better than 'more' \tn 
% Row Count 12 (+ 3)
% Row 7
\SetRowColor{white}
grep & search text \tn 
% Row Count 13 (+ 1)
% Row 8
\SetRowColor{LightBackground}
cat {[}filename{]} & shows content of file \tn 
% Row Count 14 (+ 1)
% Row 9
\SetRowColor{white}
head & shows beginning of file \tn 
% Row Count 15 (+ 1)
% Row 10
\SetRowColor{LightBackground}
tail & shows end of file \tn 
% Row Count 16 (+ 1)
% Row 11
\SetRowColor{white}
find . -name *.{[}pP{]}{[}dD{]}{[}fF{]} & find file, use -iname for case-insensitive \tn 
% Row Count 18 (+ 2)
% Row 12
\SetRowColor{LightBackground}
history & give a list of previously entered commands \tn 
% Row Count 20 (+ 2)
% Row 13
\SetRowColor{white}
!{[}line \#{]} & (use this with history) run the command from the history on given line \tn 
% Row Count 24 (+ 4)
% Row 14
\SetRowColor{LightBackground}
history | grep {[}word{]} & search history for commands including the word \tn 
% Row Count 26 (+ 2)
% Row 15
\SetRowColor{white}
script & record output from entire session \tn 
% Row Count 28 (+ 2)
% Row 16
\SetRowColor{LightBackground}
yes "string" & repeat string until manually stopped \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.04057 cm} x{2.93643 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Common Commands (cont)}}  \tn
% Row 17
\SetRowColor{LightBackground}
cal & ascii calendar \tn 
% Row Count 1 (+ 1)
% Row 18
\SetRowColor{white}
date & gives current date \tn 
% Row Count 2 (+ 1)
% Row 19
\SetRowColor{LightBackground}
\textasciicircum{}this\textasciicircum{}that & run previous command replacing "this" with "that" \tn 
% Row Count 5 (+ 3)
% Row 20
\SetRowColor{white}
uptime & show system uptime \tn 
% Row Count 6 (+ 1)
% Row 21
\SetRowColor{LightBackground}
whoami & display current user name \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.94103 cm} x{3.03597 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{DNF}}  \tn
% Row 0
\SetRowColor{LightBackground}
**dnf \_\_\_\_ {[}package name{]} & \_\_\_\_ can be filled with the words below \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
update (or upgrade) & update a package \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
install & install a package \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
remove & remove a package \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.23965 cm} x{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Systemctl}}  \tn
% Row 0
\SetRowColor{LightBackground}
systemctl daemon-reload & Reload systemd manager configuration \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
journalctl {[}service name{]} & check the logs of a servide \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{systemctl \_\_\_\_ {[}service name{]}}} & \_\_\_\_ can be filled with the words below \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
start & start a system service \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
stop & stop a system service \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
status & check the status of a service \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
enable & let service start on boot \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
disable & make it so service does not start on boot \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.69218 cm} x{3.28482 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Other Info}}  \tn
% Row 0
\SetRowColor{LightBackground}
* & any character any number of times \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
? & any character one time \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
{[}cC{]} & one of these characters \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
/etc/skel & Sample startup files you can place in home directories for new users \tn 
% Row Count 7 (+ 3)
% Row 4
\SetRowColor{LightBackground}
{[}command{]} | {[}command{]} & piping \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\$ & regular user \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\# & root user \tn 
% Row Count 11 (+ 1)
% Row 7
\SetRowColor{white}
\textasciitilde{} & home directory \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
nano and vi & text editors \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
\& & run in background \tn 
% Row Count 14 (+ 1)
% Row 10
\SetRowColor{LightBackground}
ctrl+z & suspend process running \tn 
% Row Count 15 (+ 1)
% Row 11
\SetRowColor{white}
ctrl+c & kill process running \tn 
% Row Count 16 (+ 1)
% Row 12
\SetRowColor{LightBackground}
ctrl+s & stop output to terminal \tn 
% Row Count 17 (+ 1)
% Row 13
\SetRowColor{white}
ctrl+q & return from ctrl+s state \tn 
% Row Count 18 (+ 1)
% Row 14
\SetRowColor{LightBackground}
ctrl+a & go to start of a line \tn 
% Row Count 19 (+ 1)
% Row 15
\SetRowColor{white}
ctrl+e & go to end of a line \tn 
% Row Count 20 (+ 1)
% Row 16
\SetRowColor{LightBackground}
ctrl+k & cut from cursor to end of line \tn 
% Row Count 22 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.63781 cm} x{2.33919 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Git}}  \tn
% Row 0
\SetRowColor{LightBackground}
git clone /path/to/repository & create copy of git repository \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
git add filename & add file to git repository \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
git commit -am "message" & send the changes to git repository \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
git push & makes the changes to git repository \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.68758 cm} x{2.28942 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Download/Extract}}  \tn
% Row 0
\SetRowColor{LightBackground}
wget {[}url for file{]} & download file \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
tar -xzf {[}file{]} & extract tar file \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.34379 cm} x{3.63321 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Directories of Note}}  \tn
% Row 0
\SetRowColor{LightBackground}
/ & root directory \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
/bin & contains Unix commands \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
/boot & contains files needed to boot the system \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
/dev & device files \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
/etc & contains most configuration files \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{/etc/passwd} & contains user information (name, password, id, ...) \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
/etc/skel & sample files for making a new home directory \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
/home & home folder for user \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
/lib & contains files for /bin and /sbin \tn 
% Row Count 14 (+ 2)
% Row 9
\SetRowColor{white}
/tmp & location of temporary files for the system \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}