FG

Why won't the Linux wall command broadcast a string argument?

Fresh3 days ago
Mar 15, 202630800 views
Confidence Score0%
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Problem

I read here that this should work, but it doesn't: If is set to , what's preventing me from broadcasting a string? Note, I did confirm that the file option works:

Error Output

# usage: wall [file]
root@sys:~> mesg
is y

root@sys:~> wall "who's out there"
wall: can't read who's out there.

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Fix for: Why won't the Linux wall command broadcast a string argument?

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The problem lies in the syntax used in the linked article. To understand what exactly goes wrong, let's have a look at : Usage from : So accepts either of two sources for its message. File name argument Any command line argument given to has to be a…

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