# paste > Merge lines of files. > More information: . - Join all the lines into a single line, using TAB as delimiter: `paste {{[-s|--serial]}} {{path/to/file}}` - Join all the lines into a single line, using the specified delimiter: `paste {{[-s|--serial]}} {{[-d|--delimiters]}} {{delimiter}} {{path/to/file}}` - Merge two files side by side, each in its column, using TAB as delimiter: `paste {{path/to/file1}} {{path/to/file2}}` - Merge two files side by side, each in its column, using the specified delimiter: `paste {{[-d|--delimiters]}} {{delimiter}} {{path/to/file1}} {{path/to/file2}}` - Merge two files, with lines added alternatively: `paste {{[-d|--delimiters]}} '\n' {{path/to/file1}} {{path/to/file2}}`