Difference between commands

Answered Question
Apr 17th, 2007

im currentyly doing my ccna and cisco academy lab books seem to use

copy run start or rather copy running-config startup-config however i was watching a traing thing and the instructor was using the command wr

so you can see where this is going whats the difference between using wr and copy run start does one do more than the other etc.

Correct Answer by brent-miller about 9 years 10 months ago

The write commands work in IOS versions before 12.0. Both work in current IOSes.

Correct Answer by milan.kulik about 9 years 10 months ago

Hi,

the commands are doing the same but there is a little difference:

copy run start

prompts you to confirm the destination filename, while wr does not.

Which can be used in some scriptes, e.g.

BR,

Milan

Correct Answer by haroon.shaikh about 9 years 10 months ago

Greetings Mate,

Actually the complete command is:

write memory

which is an old command but it still works. It does the same function as copy run start.

There are also other commands:

write terminal (writes configuration to screen)

write memory (writes configuration to non-volatile memory, e.g. flash)

write network (writes configuration to tftp server on network)

I hope that helps...

* Please rate this post if it helps...

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Correct Answer
haroon.shaikh Tue, 04/17/2007 - 14:40

Greetings Mate,

Actually the complete command is:

write memory

which is an old command but it still works. It does the same function as copy run start.

There are also other commands:

write terminal (writes configuration to screen)

write memory (writes configuration to non-volatile memory, e.g. flash)

write network (writes configuration to tftp server on network)

I hope that helps...

* Please rate this post if it helps...

techtr0n1c Wed, 04/18/2007 - 03:47

i noticed there were the extra write commands but i just wanst quite sure.

Thanks for the advice - appreciate it!

Correct Answer
milan.kulik Wed, 04/18/2007 - 05:48

Hi,

the commands are doing the same but there is a little difference:

copy run start

prompts you to confirm the destination filename, while wr does not.

Which can be used in some scriptes, e.g.

BR,

Milan

Correct Answer
brent-miller Wed, 04/18/2007 - 10:58

The write commands work in IOS versions before 12.0. Both work in current IOSes.

glen.grant Wed, 04/18/2007 - 13:05

I use whatever has the fewest keystrokes , which is wr mem , shorter than doing a copy run start . The strange one I haven't figured out is saving to a tftp server . They want you to use some convoluted long string like copy runn tftp / , it is a lot simpler to just use the "write net" command .

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