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PowerShell functions; Standalone executable programs; If a command is a standalone executable program, PowerShell launches it in a separate process; if it is a cmdlet, it executes in the PowerShell process. PowerShell provides an interactive command-line interface, where the commands can be entered and their output displayed.
Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.
Comments can explain the author's intent – why the code is as it is. Some contend that describing what the code does is superfluous. The need to explain the what is a sign that it is too complex and should be re-worked.
As of 2016, 400 million people spoke English as their first language, and 1.1 billion spoke it as a secondary language. [70] English is the largest language by number of speakers . English is spoken by communities on every continent and on islands in all the major oceans.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Windows Vista deployment and satisfaction rates were consequently lower than those of Windows XP, and it is considered a market failure; [9] [10] however, its use surpassed Microsoft's pre-launch two-year-out expectations of achieving 200 million users [11] (with an estimated 330 million users by 2009). [12] Two service packs were released, in ...
For example, the following code defines two 88-level condition-name items that are true or false depending on the current character data value of the wage-type data item. When the data item contains a value of 'H', the condition-name wage-is-hourly is true, whereas when it contains a value of 'S' or 'Y', the condition-name wage-is-yearly is ...