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Introduction
Adobe introduced the History palette in Photoshop 5, and the graphic design world hasn't been the same since. On an elementary level, the History palette gives you the ability to perform multiple undos. Think of History as having a magical mistake correction tool, which never wears out. However, the History palette does much more than give you the ability to go back in time and correct your mistakes. The History palette is simply a tool, but when you combine the power of the History palette with the History brush, and Art History brush, you have a trio of tools that can take your creative designs to the next level and beyond.Adobe Photoshop gives you two options for using the History palettelinear and non-linear. The linear state helps you keep track of your recent steps, and erases and steps that interfere with a linear flow to the palette. The non-linear state preserves all the steps (linear or non), and is useful when you need to think outside the linear box.Photoshop raises the bar on the History palette by giving you the ability to record and save the commands performed to a document in a History text document. Now, you can finally know exactly what you did to an image. And since the document can be printed, you can create history text documents of your favorite restoration and manipulation techniques, and save them as customized help topics.In addition, when you combine the History brush with the History palette you have an awesome creative tool that can't be beat. In fact, it's even possible to convert the Eraser tool into a History brush.
