In order to know what version of OS you are running, you can make use of the below commands on the Bash Terminal based on your operating system.
Debian/Ubuntu Linux:
# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
CentOS/RHEL Linux:
# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.9 (Maipo)
Other Linux/Unix-Like Systems:
# uname -a
Linux b9fc21f2fc40 5.15.49-linuxkit-pr #1 SMP PREEMPT Thu May 25 07:27:39 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux
macOS:
# uname -a
14.0
![macOS Bash Shell Know OS Version Number Example macOS Bash Shell Know OS Version Number Example](https://code2care.org/howto/bash-command-to-find-os-version-terminal/images/macOS Bash Shell Know OS Version Number Example.jpg)
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