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5 Command Operations
5.2.5 History functionality
The history functionality allows you to easily re-execute a command entered in the past,
and to change part of the command before execution. The following figure shows some
examples of using the history functionality.
Figure 5-9 Simplified command input using the history functionality
> ping -n 1 192.168.0.1
Pinging 192.168.0.1 with 46 bytes of data:
Reply from 192.168.0.1: count=1. bytes=46
---- 192.168.0.1 Ping Statistics ----
Packet: sent 1, received 1, lost 0 (0% loss)
>
> ping -n 1 192.168.0.1
Pinging 192.168.0.1 with 46 bytes of data:
Reply from 192.168.0.1: count=1. bytes=46
---- 192.168.0.1 Ping Statistics ----
Packet: sent 1, received 1, lost 0 (0% loss)
>
> ping -n 1 192.168.0.2
Pinging 192.168.0.2 with 46 bytes of data:
Reply from 192.168.0.2: count=1. bytes=46
---- 192.168.0.2 Ping Statistics ----
Packet: sent 1, received 1, lost 0 (0% loss)
>
1.
Execute the
2.
Press the up arrow key (↑) to call the preceding command.
In this example, pressing the up arrow key (↑) once displays the line
192.168.0.1
3.
Execute the
4.
Press the up arrow key (↑) to call the preceding command, and then use the left
arrow key (←) and the Backspace key to edit the command string.
In this example, pressing the up arrow key (↑) once displays the line
192.168.0.1
5.
Execute the
Note
Depending on the communication software you are using, the arrow keys (↑, ↓, ←,
→) might not call a command. If so, check the settings in your communication
software manual.
52
ping
operation command on 192.168.0.1.
. Simply press the Enter key to re-execute this command.
ping
operation command on 192.168.0.1.
. Change
1
in the IP address to
ping
operation command on 192.168.0.2.
...1
...2
...3
...4
...5
2
, and then press the Enter key.
ping -n 1
ping -n 1
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