minicom

TLDR

Open serial port

$ sudo minicom -D /dev/ttyUSB0

Open with baud rate

$ sudo minicom -D /dev/ttyUSB0 -b 115200

Open configuration menu

$ sudo minicom -D /dev/ttyUSB0 --setup

Capture output to file

$ sudo minicom -D /dev/ttyUSB0 -C [path/to/file]

Display help

$ minicom --help

SYNOPSIS

minicom [options]

DESCRIPTION

minicom is a text-based serial port communication program for Unix-like systems. It is commonly used to communicate with embedded devices, routers, and other serial-enabled hardware.

PARAMETERS

-D, --device DEVICE

Serial device to open

-b, --baudrate BAUD

Baud rate (e.g., 9600, 115200)

-s, --setup

Enter configuration menu

-C, --capturefile FILE

Capture output to file

-o, --noinit

Skip modem initialization

-h, --help

Display help information

KEYBOARD SHORTCUTS

Ctrl+A X: Exit minicom
Ctrl+A Z: Help menu
Ctrl+A S: Send file
Ctrl+A L: Log capture toggle

CAVEATS

Requires root or dialout group membership. Configuration stored in /etc/minicom/ or ~/.minirc.*.