• Until loop in Shell

    Until loop in Shell
    the while loop is perfect for the situation where you want to execute a set of commands while some conditions are true. sometimes you need to execute a set of commands until a
  • Select loop in Shell

    Select loop in Shell
    the select loop provides an easy way to create a numbered menu from which the user can select. it is useful when you want to ask the user to select one or more items from a list