what's the use of "{ list }" in /bin/sh?

[bae at ati.tis.llnl.gov.UUCP]

Besides obvious uses mentioned in previous articles thus far,
recent Bourne shells allow a rudimentary aliasing using "{" and "}".

For example, when I work on a system that has only /bin/sh, I alias
the command "ls" to mean "ls -aCF" by doing this:

ls() { /bin/ls -aCF $*; }

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