To learn more about gathering system information, refer to the
following resources.
ps --help — Displays a list of options
that can be used with ps.
top manual page — Type man
top to learn more about top and its
many options.
free manual page — type man
free to learn more about free and
its many options.
df manual page — Type man
df to learn more about the df
command and its many options.
du manual page — Type man
du to learn more about the du
command and its many options.
lspci manual page — Type man
lspci to learn more about the lspci
command and its many options.
/proc/ directory — The contents of
the /proc/ directory can also be used to
gather more detailed system information. Refer to the
Red Hat Enterprise Linux Reference Guide for additional information about
the /proc/ directory.