When developing Shell scripts, you may come into situations where you must execute an action depending on whether a file exists. The test command in bash may be used to discover whether a file exists and its type.
One of the most important concepts in programming is the concept of arrays. An array can be thought of as a collection of data recorded together. As the set of values in an array are kept together, they are usually operated on jointly or in succession….
One of the most powerful utilities you can use when working with Linux systems is the terminal. Here, you can execute any commands to perform any tasks you might think of – launching an application, installing/ uninstalling applications, creating and d…