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Message on Linux terminal

Few interesting commands which can be used to send the messages on other terminal or network:

1. wall:

This command is used to broadcast a message on all terminals.

For e.g.:

wall "Hello, message testing"

or

cat msg.txt | wall

2. write:

This command is used to send message to a user & selected terminal of a user.

For e.g.:

echo "Hello, message testing" | write rahul

or

echo "Hello, message testing" | write rahul pts/0

or

cat msg.txt | write rahul pts/0

or

write rahul pts/0 << EOF
Hello, message testing
EOF

3. echo:

echo command can also used to send messages on selected terminal.

For e.g.:

echo "Hello, message testing" > /dev/pts/0

4. cat:

cat can also write on a selected terminal similar to echo command.

For e.g.:

cat /dev/pts/0
Hello, message testing
CTRL+D

5. notify-send:

It can send the desktop notifications.

For e.g.: From gnome terminal,

notify-send "Hello, message testing"

From any terminal

export DISPLAY=:0 && notify-send "Hello, message testing"

From SSH,

ssh <host> export DISPLAY=:0 && notify-send "Hello, message testing"

Filed under: Linux Explore Tips & Tricks, Message on Linux terminal Tagged: cat, chat, echo, Linux hacks, Linux Howto, Linux Tips, Linux Tricks, message, notify-send, terminal, wall, write Image may be NSFW.
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