Check Installed Program Version via Command Line

March 31, 2021 (May 21, 2022)
Command Line
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There is no standard way to determine version of an installed program. Most of the programs allows to check their version via command line with --version option. This post presents methods how to check version of various programs via command line. A list of programs will be updated in the future.

Programming languages

No.	Program	Check version
1.	Java	`java --version` (since Java 9) `java -version`
2.	PHP	`php --version` `php -v`
3.	Python	`python --version` `python -V`

Runtime environments

No.	Program	Check version
1.	Node.js	`node --version` `node -v`

Package managers

No.	Program	Check version
1.	Composer	`composer --version` `composer -V`
2.	npm	`npm --version` `npm -v`
3.	Yarn	`yarn --version` `yarn -v`

Version control

No.	Program	Check version
1.	Git	`git --version`

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