How Do You Replace One Word with Another in Linux?

How do I replace a multiple word file in Linux?

sed

1. i — replace in file. Remove it for a dry run mode;
2. s/search/replace/g — this is the substitution command. The s stands for substitute (i.e. replace), the g instructs the command to replace all occurrences.

How do you replace a word in vi?

Advanced Search and Replace

Use :s/foo/bar/g to replace all occurrences of the word foo on the current line with the word bar. Use :%s/foo/bar/g to replace all occurrences of the word foo in the current file with the word bar.