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One should try the following linux command in the terminal sl - Steam Locomotive sudo apt-get install sl sl sl -help sl -man bb - High quality audio-visual in terminal sudo apt-get install bb   bb asciiview sudo apt-get install asciiview asciiview nature.jpg cmatrix - If you love MATRIX animation sudo apt-get install cmatrix cmatrix aafire - Burn your terminal sudo apt-get install aafire aafire cowsay sudo apt-get install cowsay cowsay "How are you friend?" toilet - Create your banner sudo apt-get install toilet tiolet Tom and Jerry figlet - Create your banner sudo apt-get install figlet  figlet Tom and Jerry fortune - Know your fortune sudo apt-get install fortune fortune rev - Reverse the text sudo apt-get install rev rev telnet - watch Star Wars sudo apt-get install telnet telnet towel.blinkenlights.nl telnet telehack.com  telnet aarmud.org

How to draw trend line in the GNUPLOT? If you like to plot graphs in gnuplot and dont know how to plot trendline then here you are. Follow the steps mentioned below... 1. You should have a files with X and Y values 2. Open GNUPLOT (Operating system dosen't change anything here. It works on all systems) 3. Type the command in the gnuplot terminal Lets say I have a file for eg. '1.txt' p '1.txt' u 1:2 w d title '', '1.txt' u 1:2 smooth acsplines title '1.txt' OR p '1.txt' u 1:2 w d title '', '1.txt' u 1:2 smooth bezier title '1.txt' It will plot as below...

How to install a program on Ubuntu? For example: master pdf editor or any other program =>open terminal type the following command wget http://get.code-industry.net/public/master-pdf-editor-4.0.10_i386.deb Then use dpkg tool to install it. sudo dpkg -i master-pdf-editor-*.deb sudo dpkg -i master-pdf-editor-*.deb If there’s any dependency error, then simply run the command below to fix it. sudo apt -f install How to un-install a program on Ubuntu? For example: master pdf editor 4 or any other program you wish to un-install => open terminal type the following command sudo apt-get remove master-pdf-editor   [enter] it will ask for password: [enter password] Un-install starts ---------------------------------------------- OR---------------------------- =>open terminal type the following command sudo apt-get purge master-pdf-editor   [enter] it will ask for password: [enter password] Un-install starts ==========================

Foxit Reader - View, create, convert, annotate, print, collaborate, share, fill forms and sign. xpdf - Install xpdf "Xpdf is a small and efficient program which uses standard X fonts". Lightweight, but with outdated interface. evince - Install evince Evince is a document viewer for multiple document formats. Used by default on Gnome. kpdf - Install kpdf KPDF is a pdf viewer based on xpdf for KDE 3. gv - Install gv - an old lightweight pdf viewer with an old interface. Size of the package is only 580k. gv is an X front-end for the Ghostscript PostScript(TM) interpreter. okular - Install okular - KDE pdf viewer, requires many KDE prerequisites. Can easily copy text and images. acroread - Adobe Acrobat Reader, no longer supported for Linux by Adobe, seems to be no longer supported by Ubuntu. qpdfview Installation open terminal and type the following commands sudo add-apt-repository ppa:b-eltzner/qpdfview sudo apt-get update sudo apt-get install qp