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Important File Locations
118 Chapter 15
Important File Locations
The Digi CM has several files that are important for administrative use. Below
is a brief listing of some files that the root user or system administrator might
desire to either monitor or edit.
Default Script
The default script file is executed whenever the Digi CM is booted. The file is
/usr/rc.user and can be modified with the vi editor. The modified script
becomes effective when the system is rebooted.
Booting Sequence
When the Digi CM boots, it decompresses the /cnf/cnf.tar.gz file to /tmp/cnf/*
and unmounts the /cnf file. If the configuration files are modified in the /tmp/cnf
file and the configuration is saved to flash (saveconf), the unit mounts the /cnf
file and compresses the /tmp/cnf/* to /cnf/cnf.tar.gz.
Shell and Shell Utilities
sh ash bash echo sed
env false grep more which
pwd
File and Disk Utilities
ls cp mv rm mkdir
rmdir ln mknod chmod touch
sync gunzip gzip zcat tar
dd df du find cat
vi tail mkdosfs mke2fs e2fsck
fsck mount umount scp
System Utilities
date free hostname sleep stty
uname reset insmod rmmod lsmod
modprobe kill killall ps half
shutdown poweroff reboot telnet init
useradd userdel usermod whoami who
id su
Network Utilities
ifconfig iptables route telnet ftp
ssh ping