System Activity Reporter, SAR. To display 5 samples with 2 seconds apart.
-u Report CPU utilization.
vmstat - Report virtual memory statistics. To display 5 samples with 2 seconds apart.
Report file system disk space usage.
-h, --human-readable Print sizes in human readable format (e.g., 1K 234M 2G)
Statistics for input/output statistics for devices, partitions and network filesystems (NFS). To display 5 samples with 2 seconds apart.
-d Display the device utilization report. -N Display the registered device mapper names for any device mapper devices. Useful for viewing LVM2 statistics. -k Display statistics in kilobytes per second instead of blocks per second. Data displayed are valid only with kernels 2.4 and later.