If you are using a GUI based application like Microsoft Word of Google Docs, it would be easier for you to know the number of word occurences in a file. But what if you are in a terminal? That's where both
wc comes handy tools.
Let's say you have the following text:
The European languages are members of the same family. Their separate existence is a myth. For science, music, sport, etc, Europe uses the same vocabulary.
Now, you can use the
wc tool to count the number of times
"the" appears in the file:
grep -o -i "the" file.txt | wc -l
Hope this helps you out!