[NTLUG:Discuss] vi editor command

[m m]

Hi all:

Can some one help me to change a string on all files in the same directory?
for example:
there are 10 files in dircetory A, all file comtain srting/world  'home', 
now I want to change 'home' to 'house' on each file. what is the 
best/quickest way to do it?

thanks

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