How to Check Bash Version

From the above result, you can see the current bash version of the system is 5.2.21(1).

Built in $BASH_VERSION variable

Another method to check the bash’s version is to enter the content of the bash shell’s variable as follows:

The Shell Script

It is also possible to check the bash version through a shell script. First, create a new shell script using the nano command, create a new bash file named check-bash-version.sh, and make it executable using the chmod command:

Next, add the following lines to your script:

Now, check the bash version by running the script as follows:

Using the Shortcut Key

Meanwhile, you can use the shortcut key ‘ Ctrl+X followed by ‘Ctrl+V’, and you may see the bash version on your screen as seen in the below image:

From the Package Manager

Through the package manager, you can simply run a single command to view the bash version.

Conclusion

So, this is how you can check the bash version through multiple approaches. If you are a new user and are not able to understand the CLI approaches, then we recommend that you use the shortcut keys to check the bash version. Moreover, you can also use the commands, but make sure to avoid typos, or else you may encounter errors while using them.