Public feed
#890718
mingdao@silas:~$ time tar xjf linux-2.6.24.tar.bz2
real 0m39.722s
user 0m22.159s
sys 0m2.281s
mingdao@silas:~$ time tar xvjf linux-2.6.24.tar.bz2
real 0m45.794s
user 0m23.095s
sys 0m2.570s