WAGO 750 Series Manual page 63

The /proc directory
The entries in the /proc directory provide information on the status of the
Linux fieldbus coupler. You can find entries for every started process as well
as from the drivers or the kernel. The entries can be read and copied like a text
file. However, the entries are not in the flash memory but in the RAM. For
example, the entry
cat meminfo
provides information on the used system memory.
The following is a list (not complete) that shows the most important entries:
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WAGO-I/O-SYSTEM 750
Linux Fieldbus Coupler
loadavg
Information on processor utilization
meminfo
Information on the used RAM memory
modules
Overview of the embedded kernel modules
devices
Used device drivers
interupts
Used interrupts with counter
cmdline
Command line when starting the Linux kernel
kmsg
Kernel messages since system start
driver/kbus
Information on the internal bus driver and its process image
mtd
Partitioning of the flash memory
stat
CPU status
cpuinfo
Information on the processor type
Board Support Package (BSP)
File System (Root File System)
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