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In computer security, jailbreaking is defined as the act of removing limitations that a vendor attempted to hard-code into its software or services. [2] A common example is the use of toolsets to break out of a chroot or jail in UNIX-like operating systems [ 3 ] or bypassing digital rights management (DRM).
A terminal mode is one of a set of possible states of a terminal or pseudo terminal character device in Unix-like systems and determines how characters written to the terminal are interpreted. In cooked mode data is preprocessed before being given to a program, while raw mode passes the data as-is to the program without interpreting any of the ...
A kernel mode rootkit can also hook the System Service Descriptor Table (SSDT), or modify the gates between user mode and kernel mode, in order to cloak itself. [4] Similarly for the Linux operating system, a rootkit can modify the system call table to subvert kernel functionality.
Furthermore, the requirement of programs other than UserLAnd to "root" your mobile device has proven a formidable challenge for inexperienced Linux users. [6] A prior application, GNURoot Debian, attempted to similarly run Linux programs on mobile devices, but it has ceased to be maintained and, therefore, is no longer operational.
Root access can be obtained through the use of software exploits (i.e. bugs), through the bootloader console, or over a serial port embedded in the device, such as a JTAG or UART interface. [1] In the case of gaining root privileges on an Android device, the process is known as rooting.
Because Android is based on a modified version of the Linux kernel, rooting an Android device gives similar access to administrative permissions as on Linux or any other Unix-like operating system such as FreeBSD or macOS. Rooting is often performed to overcome limitations that carriers and hardware manufacturers put on some devices.
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chgrp, the command used to change the group of a file or directory on Unix-like systems; cacls, a command used on Windows NT and its derivatives to modify the access control lists associated with a file or directory; attrib; umask, restricts mode (permissions) at file or directory creation on Unix-like systems; User identifier; Group identifier