And that’s all there is to creating a script to run a command on multiple hosts defined in your SSH config file. Use this setup to see what other clever things you can do because that’s part ...

# This is the testing script! echo “Welcome to the Linux family.” The above example illustrates the usage of the “#” symbol in adding comments in a shell script. Using Shell Variables Variables are a ...

The steps described above are manifest in the following six commands: $ mkdir scripts $ cd scripts $ touch script.sh $ echo 'echo hello-world' >> script.sh $ chmod -R 777 . $ ./script.sh hello-world ...

The eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...