Broadly speaking, network backups can be performed in one of two ways: The computer that's to be backed up can initiate the backup using another system's tape drive, or the system with the tape drive can initiate the backup of another computer. I refer to the former as a client-initiated backup and the latter as a server-initiated backup. Each option has its advantages and disadvantages. This chapter discusses examples of both types of backup.
Traditionally, Unix/Linux/POSIX filenames can be almost any sequence of bytes, and their meaning is unassigned. The only real rules are that "/" is always the directory separator, and that filenames can't contain byte 0 (because this is the terminator). Although this is flexible, this creates many unnecessary problems. In particular, this lack of limitations makes it unnecessarily difficult to write correct programs (enabling many security flaws), makes it impossible to consistently and accurately display filenames, causes portability problems, and confuses users. more ....
Comments