\documentclass[10pt,a4paper]{article}

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\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{E Prakash}
\pdfinfo{
  /Title (linux-commands-cheat-sheet.pdf)
  /Creator (Cheatography)
  /Author (E Prakash)
  /Subject (Linux Commands Cheat Sheet)
}

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% Commands
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% Header and Footer
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\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}}
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\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Linux Commands Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{E Prakash} via \textcolor{DarkBackground}{\uline{cheatography.com/216674/cs/47402/}}}
\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}E Prakash \\
  \uline{cheatography.com/e-prakash} \\
  \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 27th November, 2025.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\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{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{File \& Directory Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
Command & Description \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
ls & List files \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
ls -la & List all files including hidden \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
cd /path & Change directory \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
pwd & Show current path \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
mkdir folder & Create directory \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
rmdir folder & Remove empty folder \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
cp file1 file2 & Copy file \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
mv file1 file2 & Move or rename file \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
rm file & Delete file \tn 
% Row Count 11 (+ 1)
% Row 10
\SetRowColor{LightBackground}
touch file & Create empty file \tn 
% Row Count 12 (+ 1)
% Row 11
\SetRowColor{white}
find /path -name "*.log" & Search files \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{These commands are using for File \& Directory Commands manipulations}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.8308 cm} x{1.73926 cm} x{1.00694 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Process \& System Monitoring}}  \tn
% Row 0
\SetRowColor{LightBackground}
ps aux & Show running processes &  \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
top & Real-time system monitor &  \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
htop & Like top (color UI) & If \seqsplit{installed} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
kill PID & Kill process &  \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
free -h & RAM usage & Human \seqsplit{readable} \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
uptime & System uptime \& load &  \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
systemctl status service & Service status &  \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
systemctl restart service & Restart service &  \tn 
% Row Count 15 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{These are Process \& System Monitoring commands}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.55618 cm} x{2.05965 cm} x{0.96117 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{File Permissions \& Ownership}}  \tn
% Row 0
\SetRowColor{LightBackground}
Command & Description & Notes \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
chmod 755 file & Change permissions & rwx for owner \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
chown user:group file & Change file owner &  \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
chgrp group file & Change group ownership &  \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
ls -l & Show permissions &  \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
umask & Show default permission mask &  \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{These are File Permissions \& Ownership commands}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{SUMMARY}}  \tn
% Row 0
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\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{This is very useful sheet for who has looking for important Linux commands}  \tn 
\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}{User \& Group Management}}  \tn
% Row 0
\SetRowColor{LightBackground}
Command & Description \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
useradd user & Create user \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
passwd user & Set password \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
userdel user & Delete user \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
id & Show user info \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
whoami & Current username \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
groupadd group & Create group \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{These commands are to create User \& Group Management}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Networking Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
Command & Description \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
ip a & Show IP address \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
ip route & Routing table \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
ping host & Test connectivity \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
curl URL & HTTP request \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
wget URL & Download file \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
ss -tulpn & Show listening ports \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
traceroute host & Trace network path \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
nslookup domain & DNS lookup \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{These are Networking Commands}  \tn 
\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}{Disk \& File System Commands}}  \tn
% Row 0
\SetRowColor{LightBackground}
Command & Description \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
df -h & Disk usage \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
du -sh folder & Folder size \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
lsblk & Show block devices \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
fdisk -l & Disk partitions \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
mount /path & Mount drive \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
umount /path & Unmount drive \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{These are Disk \& File System Commands}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.65466 cm} x{1.28156 cm} p{0.64078 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Logs \& System Info}}  \tn
% Row 0
\SetRowColor{LightBackground}
Command & \seqsplit{Description} & Notes \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
tail -f /var/log/syslog & Live logs & \seqsplit{Ubuntu} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
tail -f /var/log/messages & Live logs & RHEL \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
journalctl -u service & Service logs &  \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
dmesg & Kernel logs &  \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{These commands are used to fine Logs \& System Info}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}