https://sourceware.org/pipermail/cygwin-patches/2001q1/000572.html
CTRL-U in bash changes color to black on black?
ctrl ubashchangescolorblack
https://www.lenovo.com/au/en/glossary/ctrl-u/
Ctrl U: Unlock Creative Potential with Ctrl U | Lenovo Australia
No matter what creative project you want to tackle, discover how the innovative features of Ctrl U can help unleash your inner genius and take ideas from...
ctrl uunlockcreativepotentiallenovo
https://winscp.net/forum/viewtopic.php?t=6658
Bug in Update (Ctrl-U) in WinSCP 4.1.8 :: Support Forum :: WinSCP
WinSCP is a free file manager for Windows supporting FTP, SFTP, S3 and WebDAV.
bug in4 1updatectrl