(SuSE version - Debian/Ubunut/MINT would have been:  "sudo apt-get install iostat" )

 cnf iostat 

The program 'iostat' can be found in following packages:
  * sysstat [ path: /usr/bin/iostat, repository: zypp (repo-update) ]
  * sysstat [ path: /usr/bin/iostat, repository: zypp (repo-oss) ]

Try installing with:
    sudo zypper install sysstat

Loading repository data...
Reading installed packages...
Resolving package dependencies...

The following NEW package is going to be installed:
  sysstat

1 new package to install.
Overall download size: 246.0 KiB. After the operation, additional 995.4 KiB will be used.
Continue? [y/n/? shows all options] (y): y
Retrieving package sysstat-10.0.5-8.6.1.x86_64                                                               (1/1), 246.0 KiB (995.4 KiB unpacked)
Retrieving: sysstat-10.0.5-8.6.1.x86_64.rpm ..................................................................................[done (405.8 KiB/s)]
(1/1) Installing: sysstat-10.0.5-8.6.1 .....................................................................................................[done]

--> iostat
Linux 3.11.10-21-desktop (JohnMeister)  11/03/2014      _x86_64_        (2 CPU)

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           5.36    0.01    1.26    0.34    0.00   93.03

Device:            tps    kB_read/s    kB_wrtn/s    kB_read    kB_wrtn
sda               0.99        21.60         9.25    7625117    3263320
sdb               0.03         0.14         6.16      51009    2176036