Red Hat ENTERPRISE LINUX 3 Reference Manual page 68

50
5.2.8.
/proc/filesystems
This file displays a list of the file system types currently supported by the kernel. Sample output from
a generic
/proc/filesystems
nodev rootfs
nodev bdev
nodev proc
nodev sockfs
nodev tmpfs
nodev shm
nodev pipefs
ext2
nodev ramfs
iso9660
nodev devpts
ext3
nodev autofs
nodev binfmt_misc
The first column signifies whether the file system is mounted on a block device. Those beginning with
are not mounted on a device. The second column lists the names of the file systems supported.
nodev
The command cycles through the file systems listed here when one is not specified as an
mount
argument.
5.2.9.
/proc/interrupts
This file records the number of interrupts per IRQ on the x86 architecture. A standard
/proc/interrupts
CPU0
0: 80448940
1: 174412
2: 0
8: 1
10: 410964
12: 60330
14: 1314121
15: 5195422
NMI: 0
ERR: 0
For a multi-processor machine, this file may look slightly different:
CPU0
0: 1366814704
1: 128
2: 0
8: 0
12: 5323
13: 1
16: 11184294
20: 8450043
30: 10432
31: 23
NMI: 0
ERR: 0
looks similar to the following:
looks similar to the following:
XT-PIC timer
XT-PIC keyboard
XT-PIC cascade
XT-PIC rtc
XT-PIC eth0
XT-PIC PS/2 Mouse
XT-PIC ide0
XT-PIC ide1
CPU1
0
340 IO-APIC-edge
0
1 IO-APIC-edge
5793 IO-APIC-edge
0
15940594 IO-APIC-level
11120093 IO-APIC-level
10722 IO-APIC-level
22 IO-APIC-level
Chapter 5. The
XT-PIC timer
keyboard
XT-PIC cascade
rtc
PS/2 Mouse
XT-PIC fpu
Intel EtherExpress Pro 10/100 Ethernet
megaraid
aic7xxx
aic7xxx
proc File System