Red Hat LINUX 7.2 Reference Manual page 85

Section 4.3:Directories in /proc
input ACCEPT 1 0 93537 0 12626171
forward ACCEPT 1 0 0 0 0
output ACCEPT 1 0 14270 0 3796697
• ip_masquerade — Provides a table of masquerading information.
• ip_mr_cache — List of the multicast routing cache.
• ip_mr_vif — List of multicast virtual interfaces.
• netstat — Contains a broad yet detailed collection of networking statistics, including TCP
timeouts, SYN cookies sent and received, and much more.
• psched — List of global packet scheduler parameters.
• raw — List of raw device statistics.
• route — Displays the kernel's routing table.
• rt_cache — Contains the current routing cache.
• snmp — List of Simple Network Management Protocol (SNMP) data for various networking
protocols in use.
• sockstat — Provides socket statistics. For example:
sockets: used 105
TCP: inuse 7 orphan 0 tw 0 alloc 7 mem 1
UDP: inuse 3
RAW: inuse 0
FRAG: inuse 0 memory 0
• tcp — Contains detailed TCP socket information.
• tr_rif — The token ring RIF routing table.
• udp — Contains detailed UDP socket information.
• unix — Lists UNIX domain sockets currently in use.
• wireless — Lists wireless interface data.
4.3.8 /proc/scsi
In the same way the /proc/ide directory only exists if an IDE controller is connected to the system,
the /proc/scsi directory is only available if you have a SCSI host adapter.
The primary file here is /proc/scsi/scsi, which contains a list of every recognized SCSI device.
For example, if a system contains a SCSI CD-ROM, tape drive, hard drives, and RAID controller, this
file will look similar to this:
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