plymouth - A graphical boot system and logger
is a graphical boot system for Linux which takes advantage of
the kernel-based mode setting (KMS) available for modern graphic cards to
provide a seamless, flickerfree and attractive boot screen. It allows to
choose between various, static or animated graphical themes to spruce up the
startup and avoid the noise generated by the vast amount of kernel messages
while the machine boots into X. On systems where kernel-based mode setting is
not available, plymouth falls back to a text mode boot screen which provides a
simple progress bar to pro‐ vide feedback during boot.
In order for the configured default plymouth theme to be loaded during boot, the
option `splash' (or `rhgb' for backward compatibility with the RHGB boot
splash) must be provided at the kernel command line. Without this command line
option, plymouth will default to showing detailed boot output.
During the boot process, the user can switch between the graphical theme and the
detailed boot output using the Escape key.
plymouth was originally prototyped and named by Kristian Høgsberg,
originally written by Ray Strode and has had significant contributions from
Charlie Brej. It has also had contributions from Peter Jones, Adam Jackson,
Frederic Crozat and others.