[gnulinux]

because you need press shift while pressing y, u, m to type YUM. I definitely type sudo yum faster.

[bradknowles]

Do you not have a CAPSLOCK key?

[anoncake]

Many people map capslock to Ctrl or Escape. Or both, depending on whether the key is held or tappped.

[teamspirit]

My caps lock is mapped to ESC.