How to Install GCC Compiler on Ubuntu 18.04

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How to Install GCC Compiler on Ubuntu 18.04

Author：JIYIK Last Updated：2025/04/06 Views：

GCCIt is the abbreviation of GNU Compiler Collection, which is applicable to different programming languages such as R, C, C++, Objective-C, Fortran, Ada, Go, D, etc. We can aptinstall the compiler on Ubuntu using the command line tool GCC. We must be logged in as a super user to use aptinstallation GCC.

`Ubuntu`Install on`GCC`

In the default Ubunturepository, there is a build-essentialmetapackage called that contains GCCand various other compilers, such as g++and make.

We can also build-essentialsinstall it by installing the package GCC. Once we install build-essentialthe package, GCCit is also installed in our system.

To install build-essential, we follow the steps below.

Verify `GCC`the installation of

We use the following command to verify GCCwhether the installation is successful.

gcc --version

If GCCis installed successfully, we will get an output including the version and other GCCinformation about .

Output:

gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

`GCC`Compile the program using

To compile the program using GCC, we use the following command.

gcc <filename> -o <name_of_executable>

It compiles the program <filename>to produce an <name_of_executable>executable file called . When we run this executable file, we get the output.

gcc hello_world.c -o hello_world

It compiles the program hello_world.c, producing an hello_worldexecutable file called .

To run this executable, we use the command.

./hello_world

Installing multiple `GCC`versions

We can also install multiple versions in the system GCC.

To install multiple versions of Ubuntu, we follow the steps given below.

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