J{a,b} is split into two separate parts "Ja Jb"
Example usage:
 mv /usr/sbin/named{,.BROKEN}

BASH:
${USER::1} --> first character
$ echo ${USER::1}
r
$ echo ${USER:1}
eed
$ echo ${#USER}
4

<h2>csh</h2>
Two redirect standard output and standard error to different places:
<pre>
( command > file-stdout ) >& file-stderr
</pre>
Or to keep standard output on regular console:
<pre>
( command > /dev/pts/0 ) >& file-stderr
</pre>