How Do You Join Lines in Unix?

How do you join two lines in Unix?

The traditional way of using paste command with “-s” option. “-d” in paste can take multiple delimiters. The delimiters specified here are comma and a newline character. This means while joining the first and second line use comma, and the second and third line by a newline character.

How do I join two lines in Linux?

Simplest way is here:

1. Remove even lines and write it in some temp file 1.
2. Remove odd lines and write it in some temp file 2.
3. Combine two files in one by using paste command with -d (means delete space)