Since its release in 2005, the Fish programming language has been gaining popularity as a general-purpose scripting language. It is designed to be a fully-fledged alternative to the popular Bourne Again Shell (Bash), with a focus on simplicity, security, and portability.
Fish is similar to Bash in many ways, but it also has some important differences. One of the most notable is its syntax. While Bash uses a traditional Unix shell syntax, Fish uses a more natural, human-readable syntax. This makes it much easier to learn and use, and it also reduces the chances of errors.
Another key difference is that Fish is a fully object-oriented language. This means that everything in Fish is an object, including functions, variables, and even the built-in shell commands. This makes it possible to write very powerful and flexible scripts.
Fish also has a number of features that make it more secure than Bash. For example, it has built-in support for security features like passwordless SSH and file encryption. It also includes a sandbox mode that can be used to restrict the permissions of untrusted scripts.
Overall, Fish is a great choice for users who want an alternative to Bash that is more secure, easier to use, and more powerful.