Merci pour le temps que vous me consacrer.
Mon os OS X yosemite
Imac 2,8 GHz Intel core I7
8 Mo de mémoire.
Resultat de la commande proposée.
wget --progress=dot:giga -O /dev/null
http://1.testdebit.info/fichiers/1000Mo.dat--2015-04-04 17:54:40--
http://1.testdebit.info/fichiers/1000Mo.datResolving 1.testdebit.info... 194.158.102.114, 2001:860:f70b:100::114
Connecting to 1.testdebit.info|194.158.102.114|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1000000000 (954M)
Saving to: ‘/dev/null’
0K ........ ........ ........ ........ 3% 34.2M 27s
32768K ........ ........ ........ ........ 6% 37.6M 25s
65536K ........ ........ ........ ........ 10% 39.2M 23s
98304K ........ ........ ........ ........ 13% 40.2M 22s
131072K ........ ........ ........ ........ 16% 40.8M 21s
163840K ........ ........ ........ ........ 20% 41.1M 20s
196608K ........ ........ ........ ........ 23% 41.1M 19s
229376K ........ ........ ........ ........ 26% 41.2M 18s
262144K ........ ........ ........ ........ 30% 41.1M 17s
294912K ........ ........ ........ ........ 33% 41.4M 16s
327680K ........ ........ ........ ........ 36% 42.4M 15s
360448K ........ ........ ........ ........ 40% 43.7M 14s
393216K ........ ........ ........ ........ 43% 45.3M 13s
425984K ........ ........ ........ ........ 46% 47.5M 12s
458752K ........ ........ ........ ........ 50% 50.4M 11s
491520K ........ ........ ........ ........ 53% 53.8M 10s
524288K ........ ........ ........ ........ 57% 57.6M 10s
557056K ........ ........ ........ ........ 60% 32.1M 9s
589824K ........ ........ ........ ........ 63% 7.54M 10s
622592K ........ ........ ........ ........ 67% 9.27M 10s
655360K ........ ........ ........ ........ 70% 14.5M 10s
688128K ........ ........ ........ ........ 73% 24.5M 9s
720896K ........ ........ ........ ........ 77% 33.9M 8s
753664K ........ ........ ........ ........ 80% 43.1M 6s
786432K ........ ........ ........ ........ 83% 51.8M 5s
819200K ........ ........ ........ ........ 87% 15.5M 4s
851968K ........ ........ ........ ........ 90% 7.63M 3s
884736K ........ ........ ........ ........ 93% 10.9M 2s
917504K ........ ........ ........ ........ 97% 19.2M 1s
950272K ........ ........ ........ . 100% 28.5M=39s
2015-04-04 17:55:19 (24.5 MB/s) - ‘/dev/null’ saved [1000000000/1000000000]