\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{Gossip1185} \pdfinfo{ /Title (linux-fundamentals.pdf) /Creator (Cheatography) /Author (Gossip1185) /Subject (Linux Fundamentals 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{Linux Fundamentals Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Gossip1185} via \textcolor{DarkBackground}{\uline{cheatography.com/212731/cs/46285/}}} \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}Gossip1185 \\ \uline{cheatography.com/gossip1185} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 5th May, 2025.\\ Updated 5th May, 2025.\\ 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{2.4 cm} x{5.6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{system commands}} \tn % Row 0 \SetRowColor{LightBackground} man \textless{}tool\textgreater{} & Opens man pages for the specified tool. \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \textless{}tool\textgreater{} -h & Prints the help page of the tool. \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} apropos \textless{}keyword\textgreater{} & Searches through man pages' descriptions for instances of a given keyword. \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} cat & Concatenate and print files. \tn % Row Count 8 (+ 1) % Row 4 \SetRowColor{LightBackground} whoami & Displays current username. \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} id & Returns users identity. \tn % Row Count 10 (+ 1) % Row 6 \SetRowColor{LightBackground} hostname & Sets or prints the name of the current host system. \tn % Row Count 12 (+ 2) % Row 7 \SetRowColor{white} uname & Prints operating system name. \tn % Row Count 14 (+ 2) % Row 8 \SetRowColor{LightBackground} pwd & Returns working directory name. \tn % Row Count 16 (+ 2) % Row 9 \SetRowColor{white} ifconfig & The ifconfig utility is used to assign or view an address to a network interface and/or configure network interface parameters. \tn % Row Count 21 (+ 5) % Row 10 \SetRowColor{LightBackground} ip & Ip is a utility to show or manipulate routing, network devices, interfaces, and tunnels. \tn % Row Count 25 (+ 4) % Row 11 \SetRowColor{white} netstat & Shows network status. \tn % Row Count 26 (+ 1) % Row 12 \SetRowColor{LightBackground} ss & Another utility to investigate sockets. \tn % Row Count 28 (+ 2) % Row 13 \SetRowColor{white} ps & Shows process status. \tn % Row Count 29 (+ 1) % Row 14 \SetRowColor{LightBackground} who & Displays who is logged in. \tn % Row Count 30 (+ 1) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{2.4 cm} x{5.6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{system commands (cont)}} \tn % Row 15 \SetRowColor{LightBackground} env & Prints environment or sets and executes a command. \tn % Row Count 2 (+ 2) % Row 16 \SetRowColor{white} journalctl & Query the systemd journal. \tn % Row Count 3 (+ 1) % Row 17 \SetRowColor{LightBackground} kill & Sends a signal to a process. \tn % Row Count 4 (+ 1) % Row 18 \SetRowColor{white} bg & Puts a process into background. \tn % Row Count 6 (+ 2) % Row 19 \SetRowColor{LightBackground} jobs & Lists all processes that are running in the background. \tn % Row Count 8 (+ 2) % Row 20 \SetRowColor{white} fg & Puts a process into the foreground. \tn % Row Count 10 (+ 2) % Row 21 \SetRowColor{LightBackground} ls & Lists directory contents. \tn % Row Count 11 (+ 1) % Row 22 \SetRowColor{white} cd & Changes the directory. \tn % Row Count 12 (+ 1) % Row 23 \SetRowColor{LightBackground} clear & Clears the terminal. \tn % Row Count 13 (+ 1) % Row 24 \SetRowColor{white} which & Returns the path to a file or link. \tn % Row Count 15 (+ 2) % Row 25 \SetRowColor{LightBackground} find & Searches for files in a directory hierarchy. \tn % Row Count 17 (+ 2) % Row 26 \SetRowColor{white} updatedb & Updates the locale database for existing contents on the system. \tn % Row Count 20 (+ 3) % Row 27 \SetRowColor{LightBackground} locate & Uses the locale database to find contents on the system. \tn % Row Count 22 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.88 cm} x{7.12 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Permission}} \tn % Row 0 \SetRowColor{LightBackground} chmod & Changes permission of a file or directory. \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} chown & Changes the owner and group of a file or directory. \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{1.36 cm} x{6.64 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{packages \& repositories}} \tn % Row 0 \SetRowColor{LightBackground} dpkg & Install, remove and configure Debian-based packages. \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} apt & High-level package management command-line utility. \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \seqsplit{aptitude} & Alternative to apt. \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} snap & Install, remove and configure snap packages. \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} gem & Standard package manager for Ruby. \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} pip & Standard package manager for Python. \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} git & Revision control system command-line utility. \tn % Row Count 14 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{1.36 cm} x{6.64 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{users \& groups management}} \tn % Row 0 \SetRowColor{LightBackground} sudo & Execute command as a different user. \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} su & The su utility requests appropriate user credentials via PAM and switches to that user ID (the default user is the superuser). A shell is then executed. \tn % Row Count 7 (+ 5) % Row 2 \SetRowColor{LightBackground} \seqsplit{useradd} & Creates a new user or update default new user information. \tn % Row Count 9 (+ 2) % Row 3 \SetRowColor{white} \seqsplit{userdel} & Deletes a user account and related files. \tn % Row Count 11 (+ 2) % Row 4 \SetRowColor{LightBackground} \seqsplit{usermod} & Modifies a user account. \tn % Row Count 13 (+ 2) % Row 5 \SetRowColor{white} \seqsplit{addgroup} & Adds a group to the system. \tn % Row Count 15 (+ 2) % Row 6 \SetRowColor{LightBackground} \seqsplit{delgroup} & Removes a group from the system. \tn % Row Count 17 (+ 2) % Row 7 \SetRowColor{white} \seqsplit{passwd} & Changes user password. \tn % Row Count 18 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.8 cm} x{5.2 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Request}} \tn % Row 0 \SetRowColor{LightBackground} curl & Command-line utility to transfer data from or to a server. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} wget & An alternative to curl that downloads files from FTP or HTTP(s) server. \tn % Row Count 6 (+ 3) % Row 2 \SetRowColor{LightBackground} python3 -m http.server & Starts a Python3 web server on TCP port 8000. \tn % Row Count 8 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{1.6 cm} x{6.4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Lists}} \tn % Row 0 \SetRowColor{LightBackground} lsblk & Lists block devices. \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} lsus & Lists USB devices. \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} lsof & Lists opened files. \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} lspci & Lists PCI devices. \tn % Row Count 4 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{1.04 cm} x{6.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{directories \& files}} \tn % Row 0 \SetRowColor{LightBackground} touch & Creates an empty file. \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} mkdir & Creates a directory. \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} tree & Lists the contents of a directory recursively. \tn % Row Count 4 (+ 2) % Row 3 \SetRowColor{white} mv & Move or rename files or directories. \tn % Row Count 6 (+ 2) % Row 4 \SetRowColor{LightBackground} cp & Copy files or directories. \tn % Row Count 7 (+ 1) % Row 5 \SetRowColor{white} nano & Terminal based text editor. \tn % Row Count 8 (+ 1) % Row 6 \SetRowColor{LightBackground} more & Pager that is used to read STDOUT or files. \tn % Row Count 10 (+ 2) % Row 7 \SetRowColor{white} less & An alternative to more with more features. \tn % Row Count 12 (+ 2) % Row 8 \SetRowColor{LightBackground} head & Prints the first ten lines of STDOUT or a file. \tn % Row Count 14 (+ 2) % Row 9 \SetRowColor{white} tail & Prints the last ten lines of STDOUT or a file. \tn % Row Count 16 (+ 2) % Row 10 \SetRowColor{LightBackground} sort & Sorts the contents of STDOUT or a file. \tn % Row Count 18 (+ 2) % Row 11 \SetRowColor{white} grep & Searches for specific results that contain given patterns. \tn % Row Count 20 (+ 2) % Row 12 \SetRowColor{LightBackground} cut & Removes sections from each line of files. \tn % Row Count 22 (+ 2) % Row 13 \SetRowColor{white} tr & Replaces certain characters. \tn % Row Count 23 (+ 1) % Row 14 \SetRowColor{LightBackground} \seqsplit{column} & Command-line based utility that formats its input into multiple columns. \tn % Row Count 26 (+ 3) % Row 15 \SetRowColor{white} awk & Pattern scanning and processing language. \tn % Row Count 28 (+ 2) % Row 16 \SetRowColor{LightBackground} sed & A stream editor for filtering and transforming text. \tn % Row Count 30 (+ 2) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{p{1.04 cm} x{6.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{directories \& files (cont)}} \tn % Row 17 \SetRowColor{LightBackground} wc & Prints newline, word, and byte counts for a given input. \tn % Row Count 2 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}