Linux setserial command

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Linux setserial command is used to set or display related information of serial ports.

setserial can be used to set serial ports or display the current settings.

Syntax

setserial [-abgGqvVz][Device][Serial Port Parameters]

Parameter Description:

• -a Display detailed information.
• -b Display summary information.
• -g Display related information of the serial port.
• -G Display information in the format of instruction list.
• -q Display less information during execution.
• -v Display more information during execution.
• -V Display version information.
• -z Set all marks to zero before setting.

Online Examples

Display Serial Port Information

# setserial -g /dev/ttyS2 
/dev/ttyS2, UART: unknown, Port: 0x03e8, IRQ: 4

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