picrin   tty1         2014-10-18 22:10
iva      pts/1        2014-10-19 10:09 (hostXXX-XXX-XX-X.rangeXXX-XXX.btcentralplus.com)
iva      tty2         2014-10-19 10:13

write: iva has messages disabled on tty2

write: iva has messages disabled on pts/1

is y

$ write saml
blah
blah
blah
Ctrl+D

Message from samtest@greeneggs.mydom.net on tty3 at 21:03 ...
blah
blah
blah
EOF