Welcome to FreeBSD! This handbook covers the installation and day to day use of FreeBSD 12.1-RELEASE and FreeBSD 11.4-RELEASE. This book is the result of ongoing work by many individuals. Some sections might be outdated. Those interested in helping to update and expand this document should send email to the FreeBSD documentation project mailing list. The latest version of this book is available from the FreeBSD web site. Previous versions can be obtained from https://docs.FreeBSD.org/doc/. The book can be downloaded in a variety of formats and compression options from the FreeBSD FTP server or one of the numerous mirror sites. Printed copies can be purchased at the FreeBSD Mall. Searches can be performed on the handbook and other documents on the search page.