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%\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{uhndreams}
\pdfinfo{
  /Title (bash-commands-ism-4323.pdf)
  /Creator (Cheatography)
  /Author (uhndreams)
  /Subject (Bash Commands - ISM 4323 Cheat Sheet)
}

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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% Header and Footer
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Bash Commands - ISM 4323 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{uhndreams} via \textcolor{DarkBackground}{\uline{cheatography.com/178879/cs/37269/}}}
\end{tabulary}
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\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}uhndreams \\
  \uline{cheatography.com/uhndreams} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 22nd February, 2023.\\
   Updated 3rd May, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \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{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Bash}}  \tn
% Row 0
\SetRowColor{LightBackground}
File system Root & / - top of file hierarchy \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Path & either absolute or relative \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
pwd & present working directory \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
cd & change directory \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textasciitilde{} & indicates home directory \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
.. & moving up to folder above current \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
. & current folder \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 9 (+ 0)
% Row 8
\SetRowColor{LightBackground}
ls & lists all \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
ls -F & lists only folders \tn 
% Row Count 11 (+ 1)
% Row 10
\SetRowColor{LightBackground}
ls -l & show details \tn 
% Row Count 12 (+ 1)
% Row 11
\SetRowColor{white}
ls -a & show hidden files \tn 
% Row Count 13 (+ 1)
% Row 12
\SetRowColor{LightBackground}
ls -al & show hidden files + details \tn 
% Row Count 14 (+ 1)
% Row 13
\SetRowColor{white}
mkdir & creates folders \tn 
% Row Count 15 (+ 1)
% Row 14
\SetRowColor{LightBackground}
rmdir & removes folders \tn 
% Row Count 16 (+ 1)
% Row 15
\SetRowColor{white}
cp & copy \tn 
% Row Count 17 (+ 1)
% Row 16
\SetRowColor{LightBackground}
mv & move; can also be used to rename a file \tn 
% Row Count 19 (+ 2)
% Row 17
\SetRowColor{white}
rm & remove command \tn 
% Row Count 20 (+ 1)
% Row 18
\SetRowColor{LightBackground}
-i & adds interactivity; warning if will delete an existing file \tn 
% Row Count 23 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{UNIX file systems are CASE SENSITIVE \newline Folders are directories \newline {\bf{Copying and Moving Files}} \newline General syntax - {\emph{\textless{}command\textgreater{} \textless{}source\textgreater{} \textless{}target\textgreater{}}} \newline Examples - {\emph{cp hello.txt hello\_world.txt}} \newline {\bf{Notes on cp \& mv}} \newline 'cp' is only top level files, does not get what is in folders only folders on top \newline 'mv' is always recursive \newline 'cp -r' - copies a directory including all its content \newline {\bf{Invasive Commands }} \newline 'cp', 'mv', and 'rm' - no recovery possible}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{{\emph{File Permissions}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
ls -al & 10 charactesr; (1)file type + (9)file permissions \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
rwx & read, write, execute \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
owner, group, world & order which permissions are displayed \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
r & 4 - indicates read permission \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
w & 2 - indicates write permission \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
x & 1 - indicates execute permission \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
r-x & read and execute (5) \tn 
% Row Count 12 (+ 1)
% Row 7
\SetRowColor{white}
755 & rwe-er-er \tn 
% Row Count 13 (+ 1)
\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}{Conditionals}}  \tn
% Row 0
\SetRowColor{LightBackground}
IF/THEN & if {[} \textless{}condition\textgreater{} {]} then \textless{}commands\textgreater{} fi \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
fi & terminates IF/THEN \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{if\_{[}\_\textless{}equation\textgreater{}\_{]}} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
-eq & is equal to (integer) \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
-ne & is not equal to (integer) \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
-gt & greater than (integer) \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
-lt & less than (integer) \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
-ge & greater than or equal to (integer) \tn 
% Row Count 11 (+ 2)
% Row 8
\SetRowColor{LightBackground}
-le & less than or equal to (integer) \tn 
% Row Count 13 (+ 2)
% Row 9
\SetRowColor{white}
= & is equal to (string) \tn 
% Row Count 14 (+ 1)
% Row 10
\SetRowColor{LightBackground}
!= & is not equal to (string) \tn 
% Row Count 16 (+ 2)
% Row 11
\SetRowColor{white}
ELIF & alternative to nested-if statements \tn 
% Row Count 18 (+ 2)
% Row 12
\SetRowColor{LightBackground}
read & reads user input \tn 
% Row Count 19 (+ 1)
% Row 13
\SetRowColor{white}
bash \textless{}directory\textgreater{} \textless{}variables\textgreater{} & remember to put variables at end if variables are needed for command \tn 
% Row Count 22 (+ 3)
\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}{Shell Scripting}}  \tn
% Row 0
\SetRowColor{LightBackground}
grep \textless{}word\textgreater{} & print lines matching a pattern \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
redirect operator & (\textgreater{}) send output to file instead of displaying on screen \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
append operator & (\textgreater{}\textgreater{}) appends data instead of displaying on screen \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
cut -d" " & cut empty columns \tn 
% Row Count 9 (+ 1)
% Row 4
\SetRowColor{LightBackground}
cut -d, -f1,2,4 & cuts out only columns 1,2,4 \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
sort & sorts alphabetically \tn 
% Row Count 12 (+ 1)
% Row 6
\SetRowColor{LightBackground}
sort -n & sorts numerically \tn 
% Row Count 13 (+ 1)
% Row 7
\SetRowColor{white}
uniq & removes duplicate lines from a text file; MUST BE SORTED FORT \tn 
% Row Count 16 (+ 3)
% Row 8
\SetRowColor{LightBackground}
tr "abc" "xyz" & subsitute \textless{}v1\textgreater{} to \textless{}v2\textgreater{} \tn 
% Row Count 17 (+ 1)
% Row 9
\SetRowColor{white}
tr "{[}:lower:{]}""{[}:upper:{]}" & specify all lowercase letters to turn uppercase \tn 
% Row Count 19 (+ 2)
% Row 10
\SetRowColor{LightBackground}
new variable & supply variable name and its value; no spaces inbetween \tn 
% Row Count 22 (+ 3)
% Row 11
\SetRowColor{white}
variable1=2 & valid; no spaces between equals \tn 
% Row Count 24 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\$((\textless{}equation\textgreater{})) & arithmetic expansion \tn 
% Row Count 25 (+ 1)
% Row 13
\SetRowColor{white}
echo \$\textless{}variable\textgreater{} & prints \textless{}variable value\textgreater{} \tn 
% Row Count 27 (+ 2)
% Row 14
\SetRowColor{LightBackground}
" " & does not affect use \tn 
% Row Count 28 (+ 1)
% Row 15
\SetRowColor{white}
' ' & used literally, does not call variables \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Shell Scripting (cont)}}  \tn
% Row 16
\SetRowColor{LightBackground}
\$USER & lists current user \tn 
% Row Count 1 (+ 1)
% Row 17
\SetRowColor{white}
\$PWD & prints present working directory \tn 
% Row Count 3 (+ 2)
% Row 18
\SetRowColor{LightBackground}
\$HOME & home directory of current user \tn 
% Row Count 5 (+ 2)
% Row 19
\SetRowColor{white}
\$RANDOM & o and 32767 \tn 
% Row Count 6 (+ 1)
% Row 20
\SetRowColor{LightBackground}
sleep \# & sleeps for \# seconds \tn 
% Row Count 7 (+ 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}{find}}  \tn
% Row 0
\SetRowColor{LightBackground}
find & search for files \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
find {[}where to start searching from{]}{[}expression to fine{]}{[}-options{]}{[}what to find{]} & takes 2 arguements; where to search \& what to find; wildcards can be used \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
find /home -user alice -empty & finds files in the home folder from alice which are empty \tn 
% Row Count 8 (+ 3)
\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}{Wildcards \& Examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Wildcards}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
? & matches a single character \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
* & matches any zero or more characters \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
{[}x..y{]} & matches a range of letters or numbers \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Examples}}} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
ls & lists all files + extensions \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
ls *.doc & lists only files with .doc extensions \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
re - r \textless{}target\textgreater{} & removes folders with content; be very careful \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.69678 cm} x{4.28022 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{While Loops}}  \tn
% Row 0
\SetRowColor{LightBackground}
while & run until a specific conditions is met \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{CTRL+C} & to close script \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{vim - file editor}}  \tn
% Row 0
\SetRowColor{LightBackground}
vim \seqsplit{"filename"} & starts up in command mode \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
i & insert mode - start typing \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
:w & write \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
:q & quit vim type \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
:wp & save and quit \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
:q! & quit w/o saving \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
/word & search towards end of file for first occurance of word \tn 
% Row Count 9 (+ 2)
% Row 7
\SetRowColor{white}
?word & search towards beginning of the file for the word \tn 
% Row Count 11 (+ 2)
% Row 8
\SetRowColor{LightBackground}
n & search for next occurance \tn 
% Row Count 12 (+ 1)
% Row 9
\SetRowColor{white}
N & search for previous occurance \tn 
% Row Count 13 (+ 1)
% Row 10
\SetRowColor{LightBackground}
less & view file contents one screen at a time \tn 
% Row Count 15 (+ 2)
% Row 11
\SetRowColor{white}
head & top of file to see if it is the one you need \tn 
% Row Count 17 (+ 2)
% Row 12
\SetRowColor{LightBackground}
head -3 & show the first three results \tn 
% Row Count 18 (+ 1)
% Row 13
\SetRowColor{white}
tail & bottom of file to see new log entries \tn 
% Row Count 20 (+ 2)
% Row 14
\SetRowColor{LightBackground}
-n & default output of ten line \tn 
% Row Count 21 (+ 1)
% Row 15
\SetRowColor{white}
-n\# & changes number of lines outputed \tn 
% Row Count 23 (+ 2)
% Row 16
\SetRowColor{LightBackground}
-n \& -n\# & to be used with head or tail \tn 
% Row Count 24 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{YUM}}} \tn 
% Row Count 25 (+ 1)
% Row 18
\SetRowColor{LightBackground}
YUM & yellowdog updater modifier - package modifier \tn 
% Row Count 27 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{su changes \$ -\textgreater{} \#}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{{\bf{chmod}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
chmod & updates permissions on files and folders \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
su & grants super user privileges \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
ls -laF & lists all folders + access \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
chmod 775 engineering & changes permissions for the engineering folders \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
chown & change ownership \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
chgrp & change group \tn 
% Row Count 9 (+ 1)
% Row 6
\SetRowColor{LightBackground}
chown dave README & changes owner of README to dave \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
chgrp sales\_grp README & changes the group that can access README to sales\_grp \tn 
% Row Count 14 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Encryption}}  \tn
% Row 0
\SetRowColor{LightBackground}
aescrypt & secret key encryption \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
-e & encrypt the file \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
-d & decrypt the file \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
-p \textless{}password\textgreater{} & password to use; if omitted, the command will prompt the user \tn 
% Row Count 6 (+ 3)
% Row 4
\SetRowColor{LightBackground}
-o \textless{}filename\textgreater{} & output file \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
md5sum & easy way to generate a checksum \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\#! /bin/bash & turns list of commands into one command // no need for bash ... \tn 
% Row Count 13 (+ 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}{For Loops}}  \tn
% Row 0
\SetRowColor{LightBackground}
for var in \textless{}item/directory\textgreater{} do \textless{}commands\textgreater{} done & how to format for loops \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Sequences & \{\#..\#\} \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\#..\# & first \# starting value .. second\# ending value \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
\#1..\#2..\#3 & \#3 is increment between each number series \tn 
% Row Count 10 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}