Paste command on Linux (combine columns)

The paste command in Linux (paste) is used to concatenate the lines of several files in vertical columns.

Frequently used options are:

• -d’s’: Separate columns with the s symbol in single quotes;
• -s: concatenates the entire content of a file with one line for each file.

Example: Suppose file 1 has the following content:

Lemmoraes Rodrigues Duarte

And file 2 has the following content:

Provedor.com.br provedor2.com.br provider3.com.br

When using the paste command, the result will be as follows:

$ paste —d'@' file1 file2 [email protected] [email protected] [email protected]

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