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problem with stty intr


problem with stty intr


We had a problem with the stty parameters. I am not able to kill or interrupt or suspend when working with some commands for example :
while viewing log file using tail -f

I am unable to quit from that. all i have to do is login again in another ssh session and kill the pid of tail command.
I had these entried in the user profile

$ grep stty .profile
stty erase
stty istrip
please find the below parameters and its values
$ stty -a
speed 38400 baud; line = 0;
rows = 60; columns = 157
min = 1; time = 0;
intr = ^C; quit = ^\; erase = ^H; kill = ^U
eof = ^D; eol = ^@; eol2 ; swtch
stop = ^S; start = ^Q; susp ; dsusp
werase ; lnext
-parenb -parodd cs8 -cstopb hupcl cread -clocal -loblk -crts
-ignbrk brkint -ignpar -parmrk -inpck istrip -inlcr -igncr icrnl -iuclc
ixon ixany ixoff -imaxbel -rtsxoff -ctsxon -ienqak
isig icanon -iexten -xcase echo echoe echok -echonl -noflsh
-echoctl -echoprt -echoke -flusho -pendin
opost -olcuc onlcr -ocrnl -onocr -onlret -ofill -ofdel -tostop tab3

Please help me to fix this.