 </EM>[function]

<DL COMPACT>
<DT> 
<DD> 
sets priority 
of the resource determined by <EM>which</EM> and <EM>who</EM>.
<EM>which</EM> is one of 0(process), 1(process-group) or 2(user).
<EM>who</EM>  is  interpreted relative to <EM>which</EM>
(a process identifier
for <SPAN CLASS="MATH"><IMG
 WIDTH="76" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
 SRC="manual-img32.png"
 ALT="$ which=0$"></SPAN>, process group  identifier  for  <SPAN CLASS="MATH"><IMG
 WIDTH="76" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
 SRC="manua