hidden tweaks to os x

gistfile1.txt

# lock icon positions in dock
defaults write com.apple.dock contents-immutable -bool true

# add recent applications in dock
defaults write com.apple.dock persistent-others -array-add '{ "tile-data"  = { "list-type" = 1; }; "tile-type" = "recents-tile"; }'
killall Dock

# set extension to screenshots
defaults write com.apple.screencapture type jpg

# disable shadow in screenshots
defaults write com.apple.screencapture disable-shadow -bool true
killall SystemUIServer

# change screenshot's name
defaults write com.apple.screencapture name "Image"
killall SystemUIServer

# change screenshot's folder
defaults write com.apple.screencapture location ~/Pictures/
killall SystemUIServer

# show hidden files in finder
defaults write com.apple.Finder AppleShowAllFiles YES
killall Finder