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In Linux, if the script was executed by a regular user, the shell would attempt to execute the command rm -rf / as a regular user, and the command would fail. However, if the script was executed by the root user, then the command would likely succeed and the filesystem would be erased. It is recommended to use sudo on a per-command basis instead.
In computer science, a for-loop or for loop is a control flow statement for specifying iteration. Specifically, a for-loop functions by running a section of code repeatedly until a certain condition has been satisfied. For-loops have two parts: a header and a body. The header defines the iteration and the body is the code executed once per ...
The traditional Unix system does not have the functionality to create a new process running a new executable program in one step, which explains the importance of exec for Unix programming. Other systems may use spawn as the main tool for running executables. Its result is equivalent to the fork–exec sequence of Unix-like
The Bourne shell (sh) is a shell command-line interpreter for computer operating systems.It first appeared on Version 7 Unix, as its default shell. Unix-like systems continue to have /bin/sh—which will be the Bourne shell, or a symbolic link or hard link to a compatible shell—even when other shells are used by most users.
In 1964, the expression READ-EVAL-PRINT cycle is used by L. Peter Deutsch and Edmund Berkeley for an implementation of Lisp on the PDP-1. [3] Just one month later, Project Mac published a report by Joseph Weizenbaum (the creator of ELIZA, the world's first chatbot) describing a REPL-based language, called OPL-1, implemented in his Fortran-SLIP language on the Compatible Time Sharing System (CTSS).
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Good sleep is crucial for your overall health, but new research suggests it could impact your ...
Chew toys for birds, sola balls are made from the stem of the sola plant (Aeschynomene aspera), which is native to Asia.Filled with replenishable seeds, Happy Birdies’ sola ball allows for long ...
BOSS Linux was developed by the Centre for Development of Advanced Computing with the aim of promoting the adoption of free and open-source software throughout India. As a vital deliverable software of the National Resource Centre for Free and Open Source Software, it has an enhanced desktop environment that includes support for various Indian language and instructional software.