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• ANSYS Mechanical :  Structural Simulation
  • Usage: ansys or runwb2
  • URL: 

• FLUENT Flow Modeling Software : Computational Fluid Dynamics, or CFD, is the use of mathematical techniques to model fluid flow.
  • Usage: fluent
  • URL:

• COMSOL: multiphysics software
  • Usage: comsol
  • URL:

• Cadence Design Systems
  • Usage: Refer to the URL link
  • URL: www.smu.edu/oit/services/cadence/

• Synopsys : Synopsys design tools
  • Usage: Refer to the URL link
  • URL: /

• matlab : A tool for doing numerical computations with matrices and vectors.
  • Usage: matlab
  • URL: 

• Mathematica: System for modern technical computing
  • Usage: mathematica
  • URL: 

• AMPL: algebraic modeling system
  • Usage: ampl
  • URL: 

• gams - General Algebraic Modeling System : GAMS is a modeling system for mathematical optimization problems, both linear, non-linear and mixed-integer.
  • Usage: gams
  • URL: 

• cplex : Mathematical Programming Optimizers
  • Usage: cplex
  • URL: 

• PYTHON: A programming language
  • Usage: python3
  • URL:

• R : A language for data analysis and graphics
  • Usage: R [options] [< infile] [> outfile] // R CMD command [arguments]
  • URL: 

• GCC : GNU C compiler
  • Usage: gcc
  • URL: 

• G++ : GNU C++ compiler
  • Usage: g++
  • URL: 

• GFORTRAN : Gnu Fortran compiler
  • Usage: gfortran
  • URL: l

• GDB: The GNU Project Debugger  
  • Usage: gdb
  • URL: 

• DDD - Data Display Debugger : GNU DDD is a graphical front-end for command-line debuggers such as GDB
  • Usage: ddd
  • URL: 

• GNU Common Lisp : An implementation of Common Lisp
  • Usage: gcl
  • URL: 

• eclipse : An open source IDE
  • Usage: eclipse
  • URL: 

Editors

• Vi : Traditional Unix text editor (implemented by vim)                 
  • Usage: vi [filename] (eg: vi test.c)
  • URL: 

• Vim : Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set.
  • Usage: vim [filename] (eg: vim test.c)
  • URL: 

• Emacs : Emacs is the extensible, customizable, self-documenting real-time display editor.
  • Usage: emacs [filename] (eg: emacs test.c)
  • URL: 

• Xemacs : XEmacs is a highly customizable open source text editor and application development system.
  • Usage: xemacs [filename] (eg: xemacs test.c)
  • URL: 

• Pico : A screen-based text editor.
  • Usage: pico [filename] (eg: pico test.c)
  • URL: 

• Nano : An improved pico editor
  • Usage: nano [filename] (eg: nano test.c)
  • URL:  

Text Previewers

• Ghostview : Ghostview is an X11 user interface for Ghostscript, allowing you to view and navigate PostScript files.
  • Usage: gv
  • URL: 

• Ghostscript : Ghostscript is a software package that interprets Adobe's PostScript and PDF languages, including a few additional features.
  • Usage: gs
  • URL: 

• xdvi : xdvi is a program to display TeX .dvi files under the X Window System.
  • Usage: xvdi
  • URL: 

• view : View a document using the Vi commands
  • Usage: view [filename]

• more : Displays text one screen at a time.
  • Usage: more [filename]
  • URL: 

• less : Improved more
  • Usage: less [filename]
  • URL: 

• xpdf : display a PDF file in an X window
  • Usage: xpdf filename
  • URL: 

Miscellaneous Utilities

• bc : An arbitrary precision calculator language
  • Usage: bc [ -lws ] [ file ... ]

• xcalc : Scientific calculator for X
  • Usage: xcalc

• xfig : Facility for Interactive Generation of figures under X11
  • Usage: xfig
  • URL: 

• Gnuplot : Gnuplot is a portable command-line driven interactive data and function plotting utility
  • Usage: gnuplot
  • URL: 

• man : Manual page viewer
  • Usage: man [command]

• display : displays an image 
  • Usage:display filename
  • URL: 

• zip : A file compression utility for for .zip
  • Usage: zip [-options] [-b path] [-t mmddyyyy] [-n suffixes] [zipfile list] [-xi list]

• unzip : A file expansion utility for .zip
  • Usage: unzip [-Z] [-opts[modifiers]] file[.zip] [list] [-x xlist] [-d exdir]

• gzip : A file compression utility for .gz
  • Usage: gzip [-cdfhlLnNrtvV19] [-S suffix] [file ...]

• gunzip : A file expansion utility for .gz
  • Usage: gunzip [-cdfhlLnNrtvV19] [-S suffix] [file ...]

• bzip2 : A file compression utility for .bz2
  • Usage: bzip2 [ -cdfkqstvzVL123456789 ] [ filenames ... ]
  • URL:

• bunzip2 : A file expansion utility for .bz2
  • Usage: bunzip2 [ -fkvsVL ] [ filenames ... ]
  • URL:

• tar : The tar archiving utility
  • Usage: tar --usage

• elinks : Text based Web Browser
  • Usage: elinks
  • URL: 

• lynx : Text-based Web browser
  • Usage: lynx
  • URL:

• Firefox : Firefox is a free, open source, cross-platform, graphical web browser
  • Usage: firefox
  • URL:

• Mutt :  Small but powerful text-based mail client for Unix operating systems
  • Usage: mutt
  • URL: 

• Thunderbird
  • Usage: thunderbird

• ICEwm : a stacking window manager for the X Window System 
  • Usage: icewm
  • URL:

• Twm (Tab Window Manager): AKA Tom's Window Manager
  • Usage: twm
  • URL: