.TH MODEM-CMD 1 "May 4, 2017" .SH NAME modem-cmd \- send arbitrary AT commands to your modem .SH SYNOPSIS .B modem-cmd .RI "[ device ] [ command ]" .SH DESCRIPTION This manual page documents briefly the .B modem-cmd commands. .PP \fBmodem-cmd\fP can be used to send arbitrary AT commands to a modem device over a serial line. This means it can be used as a phone dialer. .SH USAGE .LP modem-cmd /dev/ttyUSB0 ATDT123456 .SH AUTHOR modem-cmd was written by YuLun Shih .