To assign a value to a variable, list the variable's name followed by the = sign. In this case, /bin/bash is the Bash shell. What immediately follows #! is the shell to run. Every script starts with the #! character pair, which indicates this is a shell script. The first line in the script, #!/bin/bash tells Linux to run this script using the Bash shell. You can explore Bash by writing a version of the 'guess the number' game. Get started with Bash scripting for sysadmins.If you're not familiar with Bash, I recommend these introductions: Aside from providing a rich command-line user interface, Bash also supports a complete programming language in the form of scripts. Guess the number in Bashīash is the standard shell for most Linux systems. It's a great practical experiment for learning a new programming language. The 'guess the number' program exercises several concepts in programming languages: how to assign values to variables, how to write statements, and how to perform conditional evaluation and loops. eBook: An introduction to programming with Bash.Try for free: Red Hat Learning Subscription.

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