Linux/Unix : Working with files

Unix files
We have discussed unix files here.

File names

Displaying file contents -Overview

There are multiple ways to display file content. So, what is equivalent of notepad here?

• cat - used to display the content
• more - used to display the content, but paginate the content 
• Moreover we can display part of files using head and tail.
• We can search the files using grep.
• Sort the files using sort
• Compare the files using diff
• cut the file part using cut
• remove the duplicate lines using uniq.
• Count the words, lines and characters using wc
• Print the file using lpr, lpq and lprm.

Displaying the contents of file

• cat

• more

Displaying parts of files

• head and tail

Searching files

• grep

Sorting files

• Sorting files

Comparing files

Comparing files using diff

Cutting fields
cut

Pasting file contents
 
Duplicate lines

Non ascii files

Printing files