... Server are built on the foundation of the UNIX operating system. UNIX-based operating systems include BSD, GNU/Linux, AIX, and Solaris. The shared heritage of these operating systems means that ... information about the The Single UNIX Specication, Version 3, see http://www.unix.org/version3/. The ShellIn UNIX-based operating systems, the shell is the fundamental user interface. The shell ... folder.~[username] The tilde character represents the home folder of the logged-in user. For example, to specify the Documents folder, of the current user, you would specify ~/Documents. To specify another...