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Fork bombs operate both by consuming CPU time in the process of forking, and by saturating the operating system's process table. [2] [3] A basic implementation of a fork bomb is an infinite loop that repeatedly launches new copies of itself. In Unix-like operating systems, fork bombs are generally written to use the fork system call. [3]
File descriptor. In Unix and Unix-like computer operating systems, a file descriptor ( FD, less frequently fildes) is a process-unique identifier ( handle) for a file or other input/output resource, such as a pipe or network socket. File descriptors typically have non-negative integer values, with negative values being reserved to indicate "no ...
Process (computing) In computing, a process is the instance of a computer program that is being executed by one or many threads. There are many different process models, some of which are light weight, but almost all processes (even entire virtual machines) are rooted in an operating system (OS) process which comprises the program code ...
Zombie process. On Unix and Unix-like computer operating systems, a zombie process or defunct process is a process that has completed execution (via the exit system call) but still has an entry in the process table: it is a process in the "terminated state". This occurs for the child processes, where the entry is still needed to allow the ...
Python syntax and semantics. A snippet of Python code with keywords highlighted in bold yellow font. The syntax of the Python programming language is the set of rules that defines how a Python program will be written and interpreted (by both the runtime system and by human readers). The Python language has many similarities to Perl, C, and Java ...
Fork–join model. An illustration of the fork–join paradigm, in which three regions of the program permit parallel execution of the variously colored blocks. Sequential execution is displayed on the top, while its equivalent fork–join execution is on the bottom. In parallel computing, the fork–join model is a way of setting up and ...
fork() is the name of the system call that the parent process uses to "divide" itself ("fork") into two identical processes. After calling fork(), the created child process is an exact copy of the parent except for the return value of the fork () call. This includes open files, register state, and all memory allocations, which includes the ...
Python is a multi-paradigm programming language. Object-oriented programming and structured programming are fully supported, and many of their features support functional programming and aspect-oriented programming (including metaprogramming [ 70] and metaobjects ). [ 71] Many other paradigms are supported via extensions, including design by ...