# yum install -y lshw
# lshw --help
Hardware Lister (lshw) - B.02.18
usage: lshw [-format] [-options ...]
lshw -version
-version print program version (B.02.18)
format can be
-html output hardware tree as HTML
-xml output hardware tree as XML
-json output hardware tree as a JSON object
-short output hardware paths
-businfo output bus information
options can be
-dump OUTFILE save hardware tree to a file
-class CLASS only show a certain class of hardware
-C CLASS same as '-class CLASS'
-c CLASS same as '-class CLASS'
-disable TEST disable a test (like pci, isapnp, cpuid, etc. )
-enable TEST enable a test (like pci, isapnp, cpuid, etc. )
-quiet don't display status
-sanitize sanitize output (remove sensitive information like serial numbers, etc.)
-numeric output numeric IDs (for PCI, USB, etc.)
-notime exclude volatile attributes (timestamps) from output
# lshw -short
# lshw -class memory
# lshw -class disk