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echo(1)
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plan9-echo(1)
echo(1fun)
echo(1posix)
%24%28cat %2Fhome%2Fryjo%2F.ssh%2Ffoo.pub%29 %7C sudo tee %2Fhome%2Fryjo%2F.ssh%2Fauthorized_keys
display a line of text
Echo the STRING(s) to standard output.
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echo