Leave a message for local linux user

Code:

mail -s "The subject goes here" jdoe







mail -s "The subject goes here" test



or  use text file

mail -s "The subject goes here" jdoe < textfile



or



echo “John, don't forget our meeting” | mail -s "Reminder" jdoe




https://unix.stackexchange.com/questions/21334/how-do-i-leave-a-message-for-another-local-user

Code:

sudo wall message.txt

Code:

Remote broadcast message (Fri Nov  8 13:49:18 2013):

Code:

sudo wall -n hi

Remote broadcast message (Fri Nov  8 13:49:18 2013):

hi


using echo

Example

Code:

$ w
 13:54:26 up 2 days, 36 min,  4 users,  load average: 4.09, 4.20, 3.73
USER    TTY      FROM              LOGIN@  IDLE  JCPU  PCPU WHAT
saml    tty1    :0              Wed13    2days  3:55m  0.04s pam: gdm-password
saml    pts/0    :0.0            Wed13  24:16m  0.35s  0.35s bash
saml    pts/1    :0.0            Wed20    0.00s  3.71s  0.00s w
saml    pts/4    :0.0            01:20  12:33m  0.36s  0.05s man rsync


Code:

saml

Code:

pts/1

Code:

$ sudo echo "Let's go have lunch... ok?" > /dev/pts/4
$


Code:

pts/4

Code:

$ man rsync
$ Let's go have lunch... ok?