Picocom
From Gentoo Wiki
Picocom is a minimal terminal emulation program similar to minicom.
Installation
Emerge
root #
emerge --ask net-dialup/picocom
Usage
Command line utility, for example:
user $
picocom -b 19600 /dev/ttyUSB0
This opens the serial comms port ttyUSB0 at a baudrate of 19600.
Note: The user will require permission to access /dev/ttyUSB0
To exit, use Ctrl+a, then Ctrl+x.
Removal
Unmerge
root #
emerge --ask --depclean --verbose net-dialup/picocom