Which are Linux resource monitoring tools? (Select three)

A.
free

B.
monitor

C.
perfmon

D.
vmstat

E.
top

F.
vtune

Explanation:
Industry Standard Architecture – Student Guide 2 – Page 251
Performance evaluation tools
Red Hat and SuSE Linux include a variety of resource monitoring tools including:
Free top
GNOME System Monitor (a more graphically oriented version of top)
vmstat
Sysstat suite of resource monitoring tools