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The term rootkit, rkit, or root kit originally referred to a maliciously modified set of administrative tools for a Unix-like operating system that granted "root" access. [4] If an intruder could replace the standard administrative tools on a system with a rootkit, the intruder could obtain root access over the system whilst simultaneously ...
The core dump file would have been placed at the program's current directory, that is, /etc/cron.d, and cron would have treated it as a text file instructing it to run programs on schedule. Because the contents of the file would be under attacker's control, the attacker would be able to execute any program with root privileges.
File locking is a mechanism that restricts access to a computer file, or to a region of a file, by allowing only one user or process to modify or delete it at a specific time, and preventing reading of the file while it's being modified or deleted.
As of Qubes OS 4.1.2, the operating system running in dom0 is Fedora Linux running a paravirtualized Linux kernel. It is the Linux kernel in dom0 that controls and brokers access to all the physical system hardware, via standard Linux kernel device drivers. The operating system hosts the user's graphical desktop and controls most hardware devices.
APFS – Apple File System is a next-generation file system for Apple products. AthFS – AtheOS File System, a 64-bit journaled filesystem now used by Syllable. Also called AFS. BFS – the Boot File System used on System V release 4.0 and UnixWare. BFS – the Be File System used on BeOS, occasionally misnamed as BeFS.
In Unix-like computer OSes (such as Linux), root is the conventional name of the user who has all rights or permissions (to all files and programs) in all modes (single- or multi-user). Alternative names include baron in BeOS and avatar on some Unix variants. [2] BSD often provides a toor ("root" written backward) account in addition to a root ...
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chroot is an operation on Unix and Unix-like operating systems that changes the apparent root directory for the current running process and its children.A program that is run in such a modified environment cannot name (and therefore normally cannot access) files outside the designated directory tree.