How to search text file in linux

- How to search text in a file in linux terminal
- How to search text in log file in linux
- How to search text inside a file in linux
- How to search file containing text in linux
- How to search text in file using linux command
- How to search for a word in a text file in linux
- How to search for particular word in a large text file in linux
- How to search for text inside a file in the vi editor in linux
- How to open txt file
- How to open tex file