DOS-based text files use a pair of carriage return (CR) and line feed (LF) as a new-line delimiter. On the other hand, UNIX-based text files simply use LFs to terminate each line. In order to convert a text file from DOS format to UNIX format, you can use a command-line tool called dos2unix.
To install dos2unix on CentOS, Fedora or RHEL:
To install dos2unix on Ubuntu or Debian:
$ sudo ln -s /usr/bin/fromdos /usr/bin/dos2unix
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