TLDR
Enter a command. For example: gifsicle, az config, croc, exec.

mesg

 
Check or set a terminal's ability to receive messages from other users, usually from the write command. See also write. More information: https://manned.org/mesg.
 
  • Check terminal's openness to write messages:
     
    mesg
     
  • Disable receiving messages from the write command:
     
    mesg n
     
  • Enable receiving messages from the write command:
     
    mesg y

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