\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{cerr221}
\pdfinfo{
  /Title (linux1.pdf)
  /Creator (Cheatography)
  /Author (cerr221)
  /Subject (Linux1 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{Linux1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{cerr221} via \textcolor{DarkBackground}{\uline{cheatography.com/69679/cs/17654/}}}
\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}cerr221 \\
  \uline{cheatography.com/cerr221} \\
  \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 26th October, 2018.\\
   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{2.8 cm} x{5.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Common}}  \tn
% Row 0
\SetRowColor{LightBackground}
pwd & pinrt current working dir \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
cd & change directory \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
cd ../ & change directory up 1 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
cd \textasciitilde{}/ & change dir to home. \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
ls & list content of directory \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
ls -l & detailed list \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
ls -h & readable byte format \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
ls -F & list all files + extension attributes \tn 
% Row Count 9 (+ 2)
% Row 8
\SetRowColor{LightBackground}
ls -lF & list files, ext, attrib, size, etc -\textgreater{} more detailed \tn 
% Row Count 11 (+ 2)
% Row 9
\SetRowColor{white}
tree & list directory in a tree like format \tn 
% Row Count 13 (+ 2)
% Row 10
\SetRowColor{LightBackground}
file & file command displays type of any file \tn 
% Row Count 15 (+ 2)
% Row 11
\SetRowColor{white}
file Desktop & will return Desktop: Directory \tn 
% Row Count 17 (+ 2)
% Row 12
\SetRowColor{LightBackground}
alias & to list all current alias for system/user \tn 
% Row Count 19 (+ 2)
% Row 13
\SetRowColor{white}
alias \seqsplit{LC="newFunction"} & creates a new alias "LC" that does "newFunction" \tn 
% Row Count 21 (+ 2)
% Row 14
\SetRowColor{LightBackground}
man & man pages \tn 
% Row Count 22 (+ 1)
% Row 15
\SetRowColor{white}
man -k & very similar to apropos \tn 
% Row Count 23 (+ 1)
% Row 16
\SetRowColor{LightBackground}
apropos & list all available man pages for specific word \tn 
% Row Count 25 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.28 cm} x{4.72 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Text + Redirection Examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
echo "string" & sends string to stdout (terminal) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
echo "string" \textgreater{} file1.txt & sends string to file1.txt (redirection) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
echo -e "string \textbackslash{}tNewString" & -e = enables extra character (?) use. \textbackslash{}t option is for tab -\textgreater{} writes NewStringAfterTab after a tab, not space! \tn 
% Row Count 9 (+ 5)
% Row 3
\SetRowColor{white}
echo -e "string \textbackslash{}nNewString" & same as above but writes newstring after newline instead of tab. \tn 
% Row Count 12 (+ 3)
% Row 4
\SetRowColor{LightBackground}
cat & reads content of txt file and sends it to stdout (terminal) \tn 
% Row Count 15 (+ 3)
% Row 5
\SetRowColor{white}
cat \textgreater{} file.txt & with redirection before any file is mentioned -\textgreater{} will allow you to enter text at Terminal screen until Ctrl+d command (end) and sends it to file.txt \tn 
% Row Count 22 (+ 7)
% Row 6
\SetRowColor{LightBackground}
cat \textless{}\textless{}exit\textgreater{} & same as above but need to type exit as end command instead of Ctrl+d \tn 
% Row Count 25 (+ 3)
% Row 7
\SetRowColor{white}
cat file1.txt \textgreater{} file2.txt & reads content from file1.txt, sends it to file2.txt AND replaces any content! \tn 
% Row Count 29 (+ 4)
% Row 8
\SetRowColor{LightBackground}
cat file1.txt \textgreater{}\textgreater{} file2.txt & appends content of file1.txt to end of file2.txt \tn 
% Row Count 32 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{3.28 cm} x{4.72 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Text + Redirection Examples (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
tac & same as cat but reads file in reverse! \tn 
% Row Count 2 (+ 2)
% Row 10
\SetRowColor{white}
head & show first 10 line of a file \tn 
% Row Count 4 (+ 2)
% Row 11
\SetRowColor{LightBackground}
head -n (X) & show the first X lines of a file \tn 
% Row Count 6 (+ 2)
% Row 12
\SetRowColor{white}
tail & show last 10 lines of text file \tn 
% Row Count 8 (+ 2)
% Row 13
\SetRowColor{LightBackground}
tail -n (X) & show last X lines of text file \tn 
% Row Count 10 (+ 2)
% Row 14
\SetRowColor{white}
more & displays first page of file \tn 
% Row Count 12 (+ 2)
% Row 15
\SetRowColor{LightBackground}
less & displays the last page of a file and allows to move through pages with enter + spacebar \tn 
% Row Count 16 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.216 cm} x{5.32 cm} x{1.064 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Wildcards}}  \tn
% Row 0
\SetRowColor{LightBackground}
* & Matches 0 or more occurrences of the previous character & \seqsplit{Common} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
? & matches 0 or 1 occurrences of the previous char & \seqsplit{Extended} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
+ & matches 1 or more occurrences of prev char & \seqsplit{Extended} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
. & Matches 1 character of any type & \seqsplit{Common} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{[}...{]} & Matches 1 character from the specified range & \seqsplit{Common} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
{[}\textasciicircum{}...{]} & Matches 1 character NOT from the range specified within braces & \seqsplit{Common} \tn 
% Row Count 13 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\{ \} & Matches a specific number or range of the prev char & \seqsplit{Extended} \tn 
% Row Count 15 (+ 2)
% Row 7
\SetRowColor{white}
\textasciicircum{} & Marches the following characters if they are the first characters on the line & \seqsplit{Common} \tn 
% Row Count 18 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\$ & Matches the previous characters if they are the last char on the line & \seqsplit{Common} \tn 
% Row Count 21 (+ 3)
% Row 9
\SetRowColor{white}
\seqsplit{(...|...)} & Matches either of two sets of characters & \seqsplit{Extended} \tn 
% Row Count 23 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.08 cm} x{5.92 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{misc}}  \tn
% Row 0
\SetRowColor{LightBackground}
echo \$PATH & see the content of the \$PATH variable currently loaded in memory \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
which "grep" & to search directories of the PATH variable for a file called grep. \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
ln (link) & command to hard-link files \tn 
% Row Count 7 (+ 1)
% Row 3
\SetRowColor{white}
ln -s & command to create a symbolic link between 2 files \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
whoami & find out which user you are logged on as \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
groups & lists groups for current user unless we specify a user \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
cat \seqsplit{/etc/group} & to list all groups that exists on the current system \tn 
% Row Count 15 (+ 2)
% Row 7
\SetRowColor{white}
chown & change user \tn 
% Row Count 16 (+ 1)
% Row 8
\SetRowColor{LightBackground}
chown -R & change owner/permissions recursively (-R) \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
chgrp & change group command \tn 
% Row Count 19 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.16 cm} x{5.84 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Permissions}}  \tn
% Row 0
\SetRowColor{LightBackground}
chown & change owner \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
chgrp & change group \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
chmod & change mode of file (permissions \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
u & user \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
g & group \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
o & other \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
a & All categories \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
+ & adds a permission \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
- & removes a permission \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
= & makes a permission equal to \tn 
% Row Count 11 (+ 1)
% Row 10
\SetRowColor{LightBackground}
chmod u+w file1 & change user permissions to write for file1 \tn 
% Row Count 13 (+ 2)
% Row 11
\SetRowColor{white}
rwx & 4+2+1 = 7 \tn 
% Row Count 14 (+ 1)
% Row 12
\SetRowColor{LightBackground}
rw- & 4+2 = 6 \tn 
% Row Count 15 (+ 1)
% Row 13
\SetRowColor{white}
r-x & 4+1 = 5 \tn 
% Row Count 16 (+ 1)
% Row 14
\SetRowColor{LightBackground}
r-{}- & 4 \tn 
% Row Count 17 (+ 1)
% Row 15
\SetRowColor{white}
-wx & 2+1 = 3 \tn 
% Row Count 18 (+ 1)
% Row 16
\SetRowColor{LightBackground}
-w- & 2 \tn 
% Row Count 19 (+ 1)
% Row 17
\SetRowColor{white}
-{}-x & 1 \tn 
% Row Count 20 (+ 1)
% Row 18
\SetRowColor{LightBackground}
-{}-{}- & 0 \tn 
% Row Count 21 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Compression + Exatraction}}  \tn
% Row 0
\SetRowColor{LightBackground}
compress -v file1 file2 & compresses file1 into file1.z and file2 into file2.z \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
zcat \seqsplit{compressedfile1}.z & command to display contents of a compressed file \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
uncompress -v & command to uncompress the file \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
gzip -v file1 & compresses fil1 with gzip utility (better compression ratio) to file1.gz \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
gunzip -v file1.gz & to decrompress a .gz file \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
bzip2 -v file1 & compress file1 using bzip2 utility to file1.bz2 \tn 
% Row Count 14 (+ 2)
% Row 6
\SetRowColor{LightBackground}
bunzip2 -v file1.bz2 & uncompress command \tn 
% Row Count 16 (+ 2)
% Row 7
\SetRowColor{white}
tar & tape archive utility. Used for backups and compression! \tn 
% Row Count 19 (+ 3)
% Row 8
\SetRowColor{LightBackground}
tar -cvf /backup.tar * & command to create an archive called backup.tar that contains the contents of the current directory \tn 
% Row Count 24 (+ 5)
% Row 9
\SetRowColor{white}
tar -tvf /backup.tar & command to view the contents of an archive \tn 
% Row Count 26 (+ 2)
% Row 10
\SetRowColor{LightBackground}
tar -xvf /backup.tar & extract the contents of the archive to our current directory \tn 
% Row Count 29 (+ 3)
% Row 11
\SetRowColor{white}
tar -zcvf \seqsplit{/backup.tar.gz*} & creates a gzip-compressed archive called /backup.tar.gz that contains the contents of the current directory \tn 
% Row Count 34 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Compression + Exatraction (cont)}}  \tn
% Row 12
\SetRowColor{LightBackground}
tar -ztvf /backup.tar.gz & to view the contents of a gzip-compressed archive \tn 
% Row Count 3 (+ 3)
% Row 13
\SetRowColor{white}
tar -zxvf /backup.tar.gz & to extract contents of a gzip-compressed archive \tn 
% Row Count 5 (+ 2)
% Row 14
\SetRowColor{LightBackground}
cpio & similar to tar utility \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.2 cm} x{4.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Directory + files}}  \tn
% Row 0
\SetRowColor{LightBackground}
mkdir & make directory \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
rmdir & remove directory -\textgreater{} unlike rm -rf \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
touch & can be used to create file.txt \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
rm & remove file \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
rm -rf & DELETE ALL! -\textgreater{} remove files recursively and force it \tn 
% Row Count 9 (+ 3)
% Row 5
\SetRowColor{white}
rm -i & -i ooption to prompt for removal before deletion \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
mv file1.txt Newfile.txt & Ironically -\textgreater{} command to rename files. Rename file1.txt to Newfile.txt \tn 
% Row Count 14 (+ 3)
% Row 7
\SetRowColor{white}
cp /dir/file1 /newdir/file1 & copy command to copy file1 from dir to newdir \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{File search + Manipulation}}  \tn
% Row 0
\SetRowColor{LightBackground}
find & find for files in a directory hierarchy \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
locate & find files by name \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
cut & with options -\textgreater{} can cut out sections and fields of a text file and send it to stdout \tn 
% Row Count 7 (+ 4)
% Row 3
\SetRowColor{white}
cut -d ' ' -f (X) & -d = delimiter option. Anything that seperates the first field by the delimiter will be counter as 2...3...4...5 in field. -f = field option. \tn 
% Row Count 14 (+ 7)
% Row 4
\SetRowColor{LightBackground}
date & sends out the current date to stdout. Useful with redirections \tn 
% Row Count 17 (+ 3)
% Row 5
\SetRowColor{white}
grep string file.txt & look for anything that contains string in file.txt \tn 
% Row Count 20 (+ 3)
% Row 6
\SetRowColor{LightBackground}
grep -i string & return any hit that matches string exactly \tn 
% Row Count 22 (+ 2)
% Row 7
\SetRowColor{white}
grep -i string & Can also be used to exclude case sensitiveness \tn 
% Row Count 25 (+ 3)
% Row 8
\SetRowColor{LightBackground}
grep -r string & -r = looks for string recursively down all files in the current directory tree. \tn 
% Row Count 29 (+ 4)
% Row 9
\SetRowColor{white}
grep -c 'string' Test.txt & Returns the numbers of instances of string in Test.txt. Similar to wc (word count) command \tn 
% Row Count 34 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{3.52 cm} x{4.48 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{File search + Manipulation (cont)}}  \tn
% Row 10
\SetRowColor{LightBackground}
grep -v string text1.txt & -v option -\textgreater{} return lines that do not contain string \tn 
% Row Count 3 (+ 3)
% Row 11
\SetRowColor{white}
grep -e & extended grep - same as egrep \tn 
% Row Count 5 (+ 2)
% Row 12
\SetRowColor{LightBackground}
egrep & extended grep \tn 
% Row Count 6 (+ 1)
% Row 13
\SetRowColor{white}
egrep "(lodge|lake)" text1.txt & View lines that contain either lodge of lake. \tn 
% Row Count 9 (+ 3)
% Row 14
\SetRowColor{LightBackground}
sed & stream editor -\textgreater{} can be used instead of cut \& to search + replace. \tn 
% Row Count 12 (+ 3)
% Row 15
\SetRowColor{white}
sed -i -e 's/few/asd/g' Test.txt & replace all instances of few in the file Test.txt with 'asd'. Find and replace command \tn 
% Row Count 16 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.32 cm} x{5.68 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Vi Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
vi text.txt & opens text.txt in VI editor \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
i & enter insert mode \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
a & Changes to insert mode \& places cursor after the current character to enter text \tn 
% Row Count 5 (+ 3)
% Row 3
\SetRowColor{white}
o & Change to insert and opens new line beneath current \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
I & changes to insert mode and places cursor at start of current line \tn 
% Row Count 10 (+ 3)
% Row 5
\SetRowColor{white}
A & Changes to insert mode and places cursor at end of line \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Escape & leave insert mode \tn 
% Row Count 13 (+ 1)
% Row 7
\SetRowColor{white}
\$ & go to end of line in reg mode \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
:wq & save and exit \tn 
% Row Count 16 (+ 1)
% Row 9
\SetRowColor{white}
:q! & exit and do not save \tn 
% Row Count 17 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{ctrl+shift+v} & paste keyboard shortcuts \tn 
% Row Count 19 (+ 2)
% Row 11
\SetRowColor{white}
G & move the cursor to last line of document \tn 
% Row Count 21 (+ 2)
% Row 12
\SetRowColor{LightBackground}
x & deletes character cursor is on \tn 
% Row Count 23 (+ 2)
% Row 13
\SetRowColor{white}
d\$ & deletes the cursor character to the end of the line \tn 
% Row Count 25 (+ 2)
% Row 14
\SetRowColor{LightBackground}
u & undo the last function \tn 
% Row Count 26 (+ 1)
% Row 15
\SetRowColor{white}
. & repeats the last function \tn 
% Row Count 27 (+ 1)
% Row 16
\SetRowColor{LightBackground}
y\$ & Copies the current line into a temporary buffer in memory for later use \tn 
% Row Count 30 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{2.32 cm} x{5.68 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Vi Commands (cont)}}  \tn
% Row 17
\SetRowColor{LightBackground}
p & Pastes the content underneath current line or after current word \tn 
% Row Count 3 (+ 3)
% Row 18
\SetRowColor{white}
P & Pastes content above current line or after current word \tn 
% Row Count 5 (+ 2)
% Row 19
\SetRowColor{LightBackground}
w filename & Saves the current document to file named filename \tn 
% Row Count 7 (+ 2)
% Row 20
\SetRowColor{white}
:r !date & reads output of date command into document under the current line \tn 
% Row Count 10 (+ 3)
% Row 21
\SetRowColor{LightBackground}
:set all & displays all vi environment settings \tn 
% Row Count 12 (+ 2)
% Row 22
\SetRowColor{white}
\seqsplit{:s/the/THE/g} & searches for reg expression "the" and replaces each occurence globally throughout the current line with the word "THE" \tn 
% Row Count 17 (+ 5)
% Row 23
\SetRowColor{LightBackground}
:1,\$ \seqsplit{s/the/THE/g} & same as above but does this globally from line 1 to the end of the document \tn 
% Row Count 20 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.28 cm} x{4.72 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{filesystem}}  \tn
% Row 0
\SetRowColor{LightBackground}
cat /dev/proc & show all devices currently used by the system \& it's major number \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
mount & mount command \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
mount -t & to specify which filesystem to be mounted use -t option \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
umount & unmount command \tn 
% Row Count 8 (+ 1)
% Row 4
\SetRowColor{LightBackground}
mkfs & make filesystem command \tn 
% Row Count 9 (+ 1)
% Row 5
\SetRowColor{white}
mkfs -t ext & use -t command + filesystem chosen to specify filesystem to be used \tn 
% Row Count 12 (+ 3)
% Row 6
\SetRowColor{LightBackground}
mke2fs & make ext2 file system. \tn 
% Row Count 13 (+ 1)
% Row 7
\SetRowColor{white}
fuser -u & to check if a directory or device is currently used by a user \tn 
% Row Count 16 (+ 3)
% Row 8
\SetRowColor{LightBackground}
cat /etc/fstab & list contents of fstab file which is file to edit to add devices to auto-mount at boot. \tn 
% Row Count 20 (+ 4)
% Row 9
\SetRowColor{white}
mkisofs & make iso image command \tn 
% Row Count 21 (+ 1)
% Row 10
\SetRowColor{LightBackground}
fdisk & partitioning utility \tn 
% Row Count 22 (+ 1)
% Row 11
\SetRowColor{white}
cdisk & Same as fdisk but with GUI \tn 
% Row Count 24 (+ 2)
% Row 12
\SetRowColor{LightBackground}
pvcreate /dev/sda4 & creates physical volume \tn 
% Row Count 26 (+ 2)
% Row 13
\SetRowColor{white}
vgcreate vg00 /dev/sda4 & create volume group \tn 
% Row Count 28 (+ 2)
% Row 14
\SetRowColor{LightBackground}
lvcreate -L 5GB -n Data vg00 & create logical volume named Data that's 5GB in size. \tn 
% Row Count 31 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{3.28 cm} x{4.72 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{filesystem (cont)}}  \tn
% Row 15
\SetRowColor{LightBackground}
df & disk free space command (shows free space on all mounted filesystems) \tn 
% Row Count 3 (+ 3)
% Row 16
\SetRowColor{white}
df -h & readable format \tn 
% Row Count 4 (+ 1)
% Row 17
\SetRowColor{LightBackground}
du & directory usage -\textgreater{} useful to know which directory is using up the most space \tn 
% Row Count 8 (+ 4)
% Row 18
\SetRowColor{white}
fsck & filesystemcheck \tn 
% Row Count 9 (+ 1)
% Row 19
\SetRowColor{LightBackground}
lsblk & list block devices (including Partitions) \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}