How do you command pixels in photoshop?

if you mean pixelated images, then you select the layer you want to pixelate, or flatten the image if you have finished (Layer > Flatten Image) click on Filter > Pixelate > Mosaic. A window...

The "trap" command in Photoshop should not be used.The description below is correct, but trap is press-dependent: I have a five-tower newspaper press, and all five towers need a different amount of...

You select something, then run the feathering on the selection. Little more detail: You want to frame a picture of an attractive female (mother, wife, girlfriend, daughter, cat...) in a...

There are hundreds so I will not go through them here. Go to a forum or Adobe's help site, buy a book or, if you have Photoshop installed and running, the [F1] key will bring up the "Help" file

No, they are separate programs or software's to use and to buy.