Operation Manual – System Maintaining and DebuggingH3C S3610&S5510 Series Ethernet Switches Chapter 1 Basic Configurations1-121.2.2 Online Help with Command LinesThe following are the types of online help available with the CLI:z Full helpz Fuzzy helpTo obtain the desired help information, you can:1) Enter > in any view to access all the commands in this view and brief descriptionabout them as well. ?User view commands:backup Backup next startup-configuration file to TFTP serverboot-loader Set boot loaderbootrom Update/read/backup/restore bootromcd Change current directoryclock Specify the system clockcluster Run cluster commandcopy Copy from one file to anotherdebugging Enable system debugging functionsdelete Delete a filedir List files on a file systemdisplay Display current system information......omitted......2) Enter a command and a > separated by a space. If > is at the position of akeyword, all the keywords are given with a brief description. terminal ?debugging Send debug information to terminallogging Send log information to terminalmonitor Send information output to current terminaltrapping Send trap information to terminal3) Enter a command and a > separated by a space. If > is at the position of aparameter, the description about this parameter is given. system-view[Sysname] interface vlan-interface<1-4094> VLAN interface number[Sysname] interface vlan-interface 1 ?[Sysname] interface vlan-interface 1Where, indicates that there is no parameter at this position. The command is thenrepeated in the next command line and executed if you press .4) Enter a character string followed by a >. All the commands starting with thisstring are displayed.