User`s manual

UC-8410/8416/8418/8430 System Commands
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awk pattern-directed scanning and processing language
expand Converts all tabs to spaces
tail Print the last 10 lines of each FILE to standard output.
tar The GNU version of the tar archiving utility
tr Translate, squeeze, and/or delete characters
wc Print byte, word, and line counts, count the number of bytes, whitespace-separated
words, and newlines in each given FILE, or standard input if non are given or for a FILE
of ‘-’.
Network
arp manipulate the system ARP cache
ping ping to test network
route routing table manager
netstat display network status
ifconfig set network IP address
tftp IPV4 Trivial File Transfer Protocol client
telnet Connects the local host with a remote host, using the Telnet interface.
ftp file transfer protocol
ifdown, ifup bring a network interface up, or take a network interface down
ip show / manipulate routing, devices, policy routing and tunnels
tcpsvd TCP/IP service daemon
wget The non-interactive network downloader.
Process
kill kill process
ps display now running process
fuser identify processes using files or sockets
killall sends a signal to all processes running any of the specified commands
nice, renice run a program with modified scheduling priority / alter priority of running processes
pidof find the process ID of a running program
run-parts run scripts or programs in a directory
start-stop-deamon start and stop system daemon programs
top display Linux tasks
Modules
insmod insert a module into the kernel
lsmod shows which kernel modules are currently loaded
modprobe intelligently adds or removes a module from the Linux kernel
rmmod remove module from kernel
Other
dmesg dump kernel log message
zcat Dump .gz file context
free display system memory usage
date print or set the system date and time
env run a program in a modified environment
clear clear the terminal screen
reboot reboot or power off/on the server