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//Autohide Dock Speed
$ defaults write com.apple.dock autohide-delay -float 0; defaults write com.apple.dock autohide-time-modifier -float 0.5
$ killall Dock

//Add spacers to your Dock
$ defaults write com.apple.dock persistent-apps -array-add '{"tile-type"="spacer-tile";}'
$ killall Dock

//Changing screenshots from the default png to jpg format
$ defaults write com.apple.screencapture type jpg

//Change screenshots location
$ defaults write com.apple.screencapture /path/to/location
$ killall SystemUIServer

//Show Hidden Files and Folders
$ defaults write com.apple.finder AppleShowAllFiles -bool TRUE
$ killall Finder

//Check the Uptime Of Your Mac
$ uptime

//Prevent Mac From Sleeping with time param
$ caffeinate -u -t 600