lpq cache time (G)This controls how long lpq info will be cached
for to prevent the lpq command being called too
often. A separate cache is kept for each variation of the
lpq command used by the system, so if you use different
lpq commands for different users then they won't
share cache information.The cache files are stored in /tmp/lpq.xxxx
where xxxx is a hash of the lpq command in use.The default is 10 seconds, meaning that the cached results
of a previous identical lpq command will be used
if the cached data is less than 10 seconds old. A large value may
be advisable if your lpq command is very slow.A value of 0 will disable caching completely.See also the printing
parameter.Default: lpq cache time = 10Example: lpq cache time = 30