Print firmware version
$ cat /etc/issue
Print the kernel ring buffer
$ dmesg
Traceing the can driver
$ cat /dev/canmsg0
Print content of the FRAM
$ cat /dev/fram
Print kernel's interrupt counter
$ cat /proc/interrupts
Report a snapshot of the current processes
$ ps
Lists all mounted file systems
$ mount
Show the actual used diskspace with
$ df -h
Show disk usage of current directory
$ du -sh .
Print working directory
$ pwd
Search for file festo.txt starting at root of filesystem
$ find / -name "festo.txt"
Print network connections
$ netstat
Print network configuration stored in flash
$ fconfig -l
Show / configure a network interface
$ ifconfig
Show / manipulate the IP routing table
$ route