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The Linux API is composed out of the System Call Interface of the Linux kernel, the GNU C Library, libcgroup, [3] libdrm, libalsa and libevdev [4] (by freedesktop.org).. libusb is a library that provides applications with access for controlling data transfer to and from USB devices on Unix and non-Unix systems, without the need for kernel-mode drivers.
While IEEE 488.2 provided a device-independent syntax, there was still no standard for instrument-specific commands. Commands to control the same class of instrument, e.g., multimeters, would vary between manufacturers and even models. The United States Air Force, [9] and later Hewlett-Packard, recognized this problem.
Application programs (as opposed to operating systems) may also have command-line interfaces. An application program may support none, any, or all of these three major types of command-line interface mechanisms: Parameters: Most command-line interfaces support a means to pass additional information to a program when it is launched.
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BaaS providers form a bridge between the frontend of an application and various cloud-based backends via a unified API and SDK. [3] Providing a consistent way to manage backend data means that developers do not need to redevelop their own backend for each of the services that their apps need to access, [10] potentially saving both time and ...
PHP commands can optionally be embedded directly into an HTML source document rather than calling an external file to process data. It has also evolved to include a command-line interface capability and can be used in standalone graphical applications . [ 11 ]
Upon the NonStop OS platform there are at least two programming languages—TAL (Transaction Application Language) as the compiled language, and TACL as the interpreted language. NonStop OS software includes compilers for other languages (including Java , C, C++ , COBOL , SCOBOL, etc.), which may be used to support functions in languages other ...
Users interface to hardware by either writing direct bus commands (USB, GPIB, Serial) or using high-level, device-specific drivers that provide native "G" function nodes for controlling the device. National Instruments makes thousands of device drivers available for download on their Instrument Driver Network (IDNet).