Linux serial Command __linux

proc

# cat/proc/tty/driver/serial 
serinfo:1.0 Driver revision: 0:uart:16550a port:000003f8 irq:4 tx:103686
Rx : 76876 rts| cts| dtr| dsr| CD
1:uart:unknown port:000002f8 irq:3
2:uart:unknown port:000003e8 irq:4 3:uart:unknown port:000002E8
Irq:3
4:uart:unknown port:00000000 irq:0
5:uart:unknown port:00000000

statserial

# STATSERIAL/DEV/TTYS0
Device:/dev/ttys0

Signal  pin  pin  Direction  Status
full Name (    9)  (computer)         name
-----   ---  ---  ---------  ------  -----
FG 1---   Frame Ground
TxD      2    3      out         -   transmit Data
rxd      3    2      in          -   Receive  Data
RTS      4    7      out         1   Request to send
CTS      5    8 in 1 clear to   Send
DSR      6    6      in          1   Data Set Ready
GND      7    5      -           -   Signal Ground
DCD      8    1      in          1   Data Carrier detect
DTR     4 out of         1   Data Terminal Ready
RI    9 in          0   Ring Indicator

Stty

# stty-f/dev/ttys0-a speed 115200 baud; rows 0; columns 0; line = 0; intr = <undef>; qu it = <undef>; erase = <undef>; Kill = <undef>; EOF = <undef>;
EOL = <undef>; Eol2 = <undef>; Swtch = <undef>; Start = <undef>; Stop = <undef>;
Susp = <undef>; Rprnt = <undef>; Werase = <undef>; Lnext = <undef>; Flush = <undef>; min = 1;
Time = 0; -parenb-parodd CS8-HUPCL-CSTOPB Cread CLOCAL-CRTSCTS-IGNBRK-BRKINT-IGNPAR-PARMRK-INPCK-ISTRIP-INLCR-IGNCR-ICR Nl-ixon-ixoff-iuclc-ixany-imaxbel-iutf8-opost-olcuc-ocrnl-onlcr-onocr-onlret-ofill-ofdel nl0 cr0 tab0 bs0 VT 0 Ff0-isig-icanon-iexten-echo-echoe-echok-echonl-noflsh-xcase-tostop-echoprt-echoctl-echoke