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% Document Info
\author{kesavanbr}
\pdfinfo{
  /Title (50-most-frequently-used-unix-linux-commands.pdf)
  /Creator (Cheatography)
  /Author (kesavanbr)
  /Subject (50 Most Frequently Used UNIX / Linux Commands Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    {\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{50 Most Frequently Used UNIX / Linux Commands Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{kesavanbr} via \textcolor{DarkBackground}{\uline{cheatography.com/25369/cs/7441/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}kesavanbr \\
  \uline{cheatography.com/kesavanbr} \\
  \end{tabulary}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 30th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{1.tar command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Create a new tar archive. & \$ tar cvf archive\_name.tar dirname/ \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Extract from an existing tar archive. & \$ tar xvf archive\_name.tar \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
View an existing tar archive. & \$ tar tvf archive\_name.tar \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{On Unix platform, tar command is the primary archiving utility.}  \tn 
\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}{4.ssh command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Login to remote host & ssh -l jsmith remotehost.example.com \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Debug ssh client & ssh -v -l jsmith remotehost.example.com \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Display ssh client version & \$ ssh -V OpenSSH\_3.9p1, OpenSSL 0.9.7a Feb 19 2003 \tn 
% Row Count 7 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{ssh (SSH client) is a program for logging into a remote machine and for \newline      executing commands on a remote machine}  \tn 
\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}{9. sort command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
\$ sort names.txt & Sort a file in ascending order \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\$ sort -r names.txt & Sort a file in descending order \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\$ sort -t: -k 3n /etc/passwd | more & Sort passwd file by 3rd field. \tn 
% Row Count 6 (+ 2)
\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}{10. export command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
\$ export | grep ORACLE & To view oracle related environment variables. \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{declare -x \seqsplit{ORACLE\_BASE="/u01/app/oracle"}} \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{declare -x \seqsplit{ORACLE\_HOME="/u01/app/oracle/product/10}.2.0"} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{declare -x ORACLE\_SID="med"} \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{declare -x ORACLE\_TERM="xterm"} \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\$ export \seqsplit{ORACLE\_HOME=/u01/app/oracle/product/10}.2.0 & To export an environment variable: \tn 
% Row Count 11 (+ 3)
\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}{14. cd command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Use "cd -" to toggle between the last two directories} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Use "shopt -s cdspell" to automatically correct mistyped directory names on cd} \tn 
% Row Count 4 (+ 2)
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\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.58804 cm} x{2.38896 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{15. gzip command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
To create a *.gz compressed file: & \$ gzip test.txt \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
To uncompress a *.gz file: & \$ gzip -d test.txt.gz \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Display compression ratio of the compressed file using gzip -l & \$ gzip -l *.gz \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
compressed & uncompressed  ratio uncompressed\_name \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
23709 & 97975  75.8\% asp-patch-rpms.txt \tn 
% Row Count 12 (+ 2)
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\begin{tabularx}{5.377cm}{x{2.68758 cm} x{2.28942 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{2.grep command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Search for a given string in a file (case in-sensitive search). & \$ grep -i "the" demo\_file \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Print the matched line, along with the 3 lines after it. & \$ grep -A 3 -i "example" demo\_text \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Search for a given string in all files recursively & \$ grep -r "ramesh" * \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{The grep command is used to search text or searches the given file for lines containing a match to the given strings or words. By default, grep displays the matching lines}  \tn 
\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}{5. sed command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
When you copy a DOS file to Unix, you could find \textbackslash{}r\textbackslash{}n in the end of each line. This example converts the DOS file format to Unix file format using sed command. & \$sed 's/.\$//' filename \tn 
% Row Count 8 (+ 8)
% Row 1
\SetRowColor{white}
Print file content in reverse order & \$ sed -n '1!G;h;\$p' thegeekstuff.txt \tn 
% Row Count 10 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Add line number for all non-empty-lines in a file & \$ sed '/./=' thegeekstuff.txt | sed 'N; s/\textbackslash{}n/ /' \tn 
% Row Count 13 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file, or input from a pipeline).}  \tn 
\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}{8. diff command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
\# diff -w name\_list.txt name\_list\_new.txt & 2c2,3 \textless{} John Doe -{}-{}- \textgreater{} John M Doe \textgreater{} Jason Bourne \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Ignore white space while comparing.}  \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}{13. pwd command}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{pwd is Print working directory. What else can be said about the good old pwd who has been printing the current directory name for ages.} \tn 
% Row Count 3 (+ 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}{3.find command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Find files using file-name ( case in-sensitve find) & \# find -iname "MyCProgram.c" \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Execute commands on files found by the find command & \$ find -iname "MyCProgram.c" -exec md5sum \{\} \textbackslash{}; \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Find all empty files in home directory & \# find \textasciitilde{} -empty \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{The Linux find command is very powerful. It can search the entire filesystem to find files and directories according to the search criteria you specify}  \tn 
\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}{6.awk command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Remove duplicate lines using awk & \$ awk '!(\$0 in array) \{ array{[}\$0{]}; print \}' temp \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Print all lines from /etc/passwd that has the same uid and gid & \$awk -F ':' '\$3==\$4' passwd.txt \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Print only specific field from a file. & \$ awk '\{print \$2,\$5;\}' employee.txt \tn 
% Row Count 9 (+ 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}{7.vim command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Go to the 143rd line of file & \$ vim +143 filename.txt \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Go to the first match of the specified & \$ vim +/search-term filename.txt \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Open the file in read only mode. & \$ vim -R /etc/passwd \tn 
% Row Count 6 (+ 2)
\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}{11. xargs command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Copy all images to external hard-drive & \# ls *.jpg | xargs -n1 -i cp \{\} \seqsplit{/external-hard-drive/directory} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Search all jpg images in the system and archive it. & \# find / -name *.jpg -type f -print | xargs tar -cvzf images.tar.gz \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Download all the URLs mentioned in the url-list.txt file & \# cat url-list.txt | xargs wget –c \tn 
% Row Count 11 (+ 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}{12. ls command examples}}  \tn
% Row 0
\SetRowColor{LightBackground}
Display filesize in human readable format (e.g. KB, MB etc.,) & \$ ls -lh -rw-r-{}-{}-{}-- 1 ramesh team-dev 8.9M Jun 12 15:27 arch-linux.txt.gz \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Order Files Based on Last Modified Time (In Reverse Order) Using ls -ltr & \$ ls -ltr \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Visual Classification of Files With Special Characters Using ls -F & \$ ls -F \tn 
% Row Count 12 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}