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Running C programs in the Command Prompt is a fundamental skill for programmers and software developers. The Command Prompt provides a quick and convenient way to execute C programs without the need for a full-fledged integrated development environment (IDE). Whether you are a beginner learning the basics of C programming or an experienced developer looking for a lightweight way to compile and run code, this guide will walk you through the steps to run C programs in the Command Prompt. From setting up the necessary tools to compiling and executing your code, this tutorial will equip you with the knowledge to confidently run your C programs using Command Prompt on various operating systems.
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If you’ve written or downloaded some C programming language code on your Windows PC, you’ll need to compile it to turn the code into a program you can run. This simple wikiHow will walk you through the steps of compiling and running a C program from the Windows command prompt using MinGW, an easy-to-install version of the GCC compiler.
Steps
- Download MinGW from https://sourceforge.net/projects/mingw.
- Double-click the downloaded file and follow the on-screen instructions to prepare for the installation.
- When you reach the MinGW Installation Manager window, you will see many installation packages in the upper right pane.
- Check the boxes next to “mingw32-base” and “mingw-gcc-g++.”
- Click the Installation menu and select Apply Changes .
- Click Apply .
- Press the Windows key and type environment . Click Edit the system environment variables in the search results.
- Click the Environment Variables… button.
- Select the “Path” option under “System variables” and click Edit…
- Click New .
- Type C:MinGWbin and click OK .
- Click OK and OK again.
- After the command prompt window opens, double check that the compiler is properly installed (and that the environment variables are set) by executing the gcc -- version command.
- If a command prompt window is open, close and reopen a new window to display the path you added earlier.
- Replace filename.c with the file name containing the C code, and filename.exe with the name you want to give the program after compiling.
- Check to make sure that the program name you set has the extension .exe .
- The -o flag specifies the output file.
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 3,047 times.
If you’ve written or downloaded some C programming language code on your Windows PC, you’ll need to compile it to turn the code into a program you can run. This simple wikiHow will walk you through the steps of compiling and running a C program from the Windows command prompt using MinGW, an easy-to-install version of the GCC compiler.
In conclusion, running C programs in the Command Prompt is a straightforward process. By following a few simple steps, you can seamlessly compile and execute your C programs within the Command Prompt environment.
Firstly, ensure that you have a C compiler installed on your computer, such as GCC or Clang. These compilers allow you to convert your C code into executable files that can be run on your operating system.
Next, open the Command Prompt by typing “cmd” in the search bar or using the Run dialog box. Once the Command Prompt window opens, navigate to the directory where your C program is located using the “cd” command.
Once you are in the correct directory, you can compile your C program by typing the appropriate compilation command, such as “gcc filename.c -o output”. This command uses the GCC compiler to convert your C code (in the file “filename.c”) into an executable file named “output”.
After compiling the program, you can run it by typing its name in the Command Prompt and pressing enter. The program will then be executed, and you will see the output on the screen.
It is important to note that any input/output operations should be appropriately handled within your C program. You can provide inputs to your program through the Command Prompt, and the output will be displayed on the screen.
Running C programs in the Command Prompt is not only useful for testing and debugging, but it also allows for quick execution without the need for a graphical interface. This flexibility makes it an ideal environment for practicing and developing C programs.
In conclusion, running C programs in the Command Prompt is a valuable skill for any programmer. By mastering the steps outlined above, you can efficiently compile and execute your C programs in a command-line environment, opening up new possibilities in your coding journey.
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