User`s manual

UC-7400-LX Plus User’s Manual System Commands
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Editor
1. vi text editor
2. cat dump file context
3. zcat compress or expand files
4. grep, egrep, fgrep search string on file
5. cut get string on file
6. find find file where are there
7. more dump file by one page
8. test test file exist or not
9. sleep sleep (seconds)
10. echo echo string
11. tail output the last part of files
12. uniq remove duplicate lines from a sorted file
13. sed stream editor
14. tr translate or delete characters
15. wc print the number of bytes, words, and lines in files
Network
1. ping ping to test network
2. route routing table manager
3. netstat display network status
4. ifconfig set network ip address
5. tftp trivial file trans fer protocol
6. arp manipulate the system ARP cache
7. ifdown shutdown a network interface
8. ifup bring up a network interface
9. ip TCP/IP interface configuration and routing utility
Process
1. kill kill process
2. ps display now running process
3. fuser identify processes using files or sockets
4. pidof find the process ID of a running program
5. killall kill processes by name
6. renice alter priority of running processes
7. top display top CPU processes
Other
1. dmesg dump kernel log message
2. sty to set serial port
3. zcat dump .gz file context
4. mknod make device node
5. free display system memory usage
6. date print or set the system date and time
7. env run a program in a modified environment
8. clear clear the terminal screen
9. reboot reboot / power off/on the server
10. halt halt the server
11. du estimate file space usage