[/tmp]$ cp bigfile bigfile2 load: 1.78 cmd: gcp 93420 running 0.00u 0.04s load: 1.78 cmd: gcp 93420 running 0.00u 0.10s load: 1.80 cmd: gcp 93420 uninterruptible 0.00u 0.16s load: 1.80 cmd: gcp 93420 uninterruptible 0.00u 0.26s [/tmp]$
Try: /bin/cp bigfile bigfile2