Tutorials

Create fillable PDF forms

Create fillable PDF forms – with Acrobat and free software

Almost finished filling out the application form, just need to enter today’s date…darn, you made a mistake. And since you don't want to simply cross it out and make the whole form look messy, you'd better start all over again. This wouldn’t have happened with a PDF form. They can be filled out directly on your PC – and any errors can be corrected quickly. We show you how to create a PDF form like...

Edit PDF Files

How do you edit a PDF document?

Intended as read-only, editing a PDF file isn’t always completely straightforward. If you don’t have the original file, you need a program to help you edit. Free or paid, online or offline: the internet offers a variety of alternatives. Although not all editors function in the same way. Here’s an introductory overview of the various applications out there and how to use them.

Split PDF

Splitting PDFs Made Easy– Free Tools for Splitting PDFs

The PDF format is ideal for sending documents. In some cases, however, only selected pages are relevant. In this case, splitting the PDF is the optimal solution. With easy-to-operate free tools, this works quite easily and quickly. With our step-by-step introduction, separating a PDF becomes even easier.

Linux shutdown command

Linux shutdown: commands for shutting down and restarting Linux

Using Linux shutdown commands, Linux operating systems can easily be stopped, shut down, and restarted. In addition to being able to set up a Linux shutdown with a time delay, the shutdown command can also be used to turn off the system’s main power supply, set up a wall message or cancel a previously initiated shutdown.

Delete a Linux directory

Remove a directory in Linux: a simple guide

Sometimes you may need to delete an entire folder rather than just individual files. If you want to remove a Linux directory, there are several ways to do it. Here are a few basic solutions that use either File Manager or Terminal. We also explain what you can do if you don’t have the necessary rights.

Linux commands: An overview of terminal commands

An overview of the most important Linux commands

Under Linux, all actions that you can carry out with the mouse and window system via the graphical user interface can also be performed using program calls in the terminal – provided you know the appropriate command and how to use it according to the correct syntax. To make working in the terminal easier, we provide you with an overview of basic Linux commands with detailed descriptions and...

IF OR function in Excel

How to use the IF OR function in Excel

Using a combination of the IF function and the OR function, you can perform specific evaluations in Excel in which you can define multiple conditions in the same function. Therefore, the return value will be “TRUE” if either one of the conditions is met. We will explain when and how to use the IF OR formula in Excel using simple examples.

Excel IF AND formula

IF AND in Excel: Everything you need to know

If you want to evaluate your data with regard to multiple criteria, the combination of the Excel functions IF and AND may be of use to you. Based on whether the conditions you defined are met or not, Excel will return a result of your choosing. Keep reading to find out how and when to use Excel’s IF AND formula.

Excel not equal sign

Excel: The “not equal to” operator explained

Excel is the perfect tool for evaluating large sets of data in tables and precisely defining conditions. Excel’s logical operators are particularly useful in this connection. In this article, you’ll learn how the Excel “not equal to” sign works and how it can be used with functions like IF.


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