Occasionally system administrator may need to send a test email, or emergency mail message right from the shell or command line interpreter when using a Linux flavor or distribution of operating system, be Red Hat Fedora, Ubuntu, Debian, CentOS, Open SUSE, FreeBSD and others. In this case, the mail command will come in handy. mail is a command to send and receive mail in Unix, … Continue reading How to Send an Email (Mail Message) from Linux Command Line Shell