Qtech QSW-3200-24T [16/146] History command
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Qtech QSW-3200-24T [16/146] History command

Qtech QSW-3200-24T [16/146] History command
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4
command.
For example:
Directly input “?”in privileged mode
QTECH#?
System mode commands:
cls clear screen
help description of the interactive help
ping ping command
quit disconnect from switch and quit
……
Input “?” closely after keyword
QTECH(config)#interf?
interface
Input “?”after command character string and space
QTECH(config)#spanning-tree ?
forward-time config switch delaytime
hello-time config switch hellotime
max-age config switch max agingtime
priority config switch priority
<enter> The command end.
4. Parameter range and form
QTECH(config)#spanning-tree forward-time ?
INTEGER<4-30> switch delaytime: <4-30>(second)
Command line end prompt
QTECH(config)#spanning-tree ?
<enter> The command end.
1.1.4. History command
Command line interface will save history command inputted by user automatically so that user
can invoke history command saved by command line interface and re-execute it. At most 100
history commands can be saved by command line interface for each user. Input “Ctrl+P” to
access last command, and “Ctrl+N” for next command.
1.1.5. Symbols in command
There are all kinds of symbols in command syntax which is not a part of command but used to
describe how to input this command. Table 1-2 makes a brief description of these symbols.
Table 1-2 Command Symbols Description
Symbol
Description
Vertical bars |
Vertical bars (|) means coordinate, together using with
braces ({ }) and square brackets ([ ]).
Square brackets [ ]
Square brackets ([ ]) mean optional elements.
For example:
show vlan [ vlan-id ]
Braces { }
Braces ({ }) group required choices, and vertical bars ( | ) separate the
alternative elements. Braces and vertical bars within square brackets
([{ | }]) mean a required choice within an optional element.

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