Ccna routing and Switching Complete Study Guide

c?

cd       clear  clock  cns  configure

connect  copy

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c

Okay, see that? By typing 

c?

, I got a response listing all the commands that start with 

c. Also notice that the 

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c

 prompt reappears after the list of commands is displayed. 

This can be really helpful when you happen to be working with long commands but you’re 

short on patience and still need the next possible one. It would get old fast if you actually 

had to retype the entire command every time you used a question mark!

So with that, let’s find the next command in a string by typing the first command and 

then a question mark:

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clock ?

  set  Set the time and date

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clock set ?

  hh:mm:ss  Current Time

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