File Systems - Red Hat ENTERPRISE LINUX 4 System Administration Manual

Chapter 39. Gathering System Information
Swap: 1310712
The command free -m shows the same information in megabytes, which are easier to read.
total
Mem: 630
-/+ buffers/cache:
Swap: 1279
If you prefer a graphical interface for free, you can use the GNOME System Monitor. To start it
from the desktop, go to System => Administration => System Monitor or type gnome-system-
monitor at a shell prompt (such as an XTerm). Click on the Resources tab.
Figure 39.2. GNOME System Monitor - Resources tab

39.3. File Systems

The df command reports the system's disk space usage. If you type the command df at a shell
prompt, the output looks similar to the following:
348
0 1310712
used free shared
536 93
145 485
0 1279
buffers cached
0 172 219