ls -lh | grep x.zip
-rwxrwxrwx 1 zurfyx zurfyx 2.9G Mar 25 17:39 x.zip
time cp x.zip y.zip
real 0m58.582s
user 0m0.012s
sys 0m3.336s
time cp x.zip y.zip
real 0m10.848s
user 0m0.012s
sys 0m1.760s
time cp x.zip y.zip
real 0m0.995s
user 0m0.000s
sys 0m0.980s