syntax in unix / linux

  • ManPage Help in Unix

    ManPage Help in Unix

     all unix commands come with arbitrary and mandatory functions. it is very common when you forget the full syntax of these commands.
  • The while loop in Shell

    The while loop in Shell

     the while loop gives you the ability to execute a set of repetitive commands until certain conditions occur. it is often used when you need to manipulate iterative variable values.
  • For loop in Shell

    For loop in Shell

     the for loop works on lists of items (items). it repeats a set of commands for each item in a list.
  • 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 condition is true, then you need to use a until loop.
  • 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 of options.
  • Network communication utilities in Unix / Linux

    Network communication utilities in Unix / Linux

     when you work in a distribution environment then you need to communicate with remote users and you also need access to remote unix devices.