I'm Qi Huang, changed to a new mailbox to avoid messing massge in mail titile.
> If isconsole is set and TERMIOS is not, then it will always echo the > input. The CR-LF behavior only depends on isconsole and can't be > changed even if TERMIOS is enabled. If TERMIOS enabled, the CR-LF behavior only determined by ifags/oflags in termios' setting, it can be changed even if isconsole is set. > The ECHO behavior can be disabled ONLY if TERMIOS are enabled. > TERIMIOS is now required by POSIX and, further, if TERMIOS is not > system, many features are now broken. Like hiding the password when > logging into NSH. Yes maybe we should select TERMIOS if some features really need it ? Most apps don't need it, only termcurse/nsh login rely on it now in my known. > I have never seen that behavior. That bug is probably introduced recently. I see the echo by telnet can be disabled by special command and it sended, but it don't works now.