root@xubuntu:~# 7z b

7-Zip 9.20  Copyright (c) 1999-2010 Igor Pavlov  2010-11-18
p7zip Version 9.20 (locale=cs_CZ.UTF-8,Utf16=on,HugeFiles=on,1 CPU)

RAM size:     478 MB,  # CPU hardware threads:   1
RAM usage:    419 MB,  # Benchmark threads:      1

Dict        Compressing          |        Decompressing
      Speed Usage    R/U Rating  |    Speed Usage    R/U Rating
       KB/s     %   MIPS   MIPS  |     KB/s     %   MIPS   MIPS

22:     515    98    512    501  |     8551   100    772    772

… nedokončeno – počítač vytuhnul