4 examples for xclip
# Copy the text "foo" to primary selection.
echo "foo" | xclip
# Copy the text "bar" to clipboard selection.
echo "bar" | xclip -selection clipboard
# Copy the text "yo" to primary AND clipboard selection for pasting EVERYWHERE!
# (Psst, "alias xclip='xclip -i -sel c -f | xclip -i -sel p'")
echo "yo" | xclip -i -sel c -f | xclip -i -sel p
# Copia en el portapapeles el contenid de un archivo indicado
xclip -sel clip < ~/.ssh/id_rsa.pub