Express.js

/ɪkˈsprɛs dʒeɪ ɛs/

noun … “a minimal and flexible web framework for Node.js that simplifies server-side development.”

Express.js is a lightweight, unopinionated framework for Node.js that provides a robust set of features for building web applications, APIs, and server-side logic. It abstracts much of the repetitive boilerplate associated with HTTP server handling, routing, middleware integration, and request/response management, allowing developers to focus on application-specific functionality.

Async

/ˈeɪ.sɪŋk/

adjective … “executing operations independently of the main program flow, allowing non-blocking behavior.”

Async, short for asynchronous, refers to a programming paradigm where tasks are executed independently of the main execution thread, enabling programs to handle operations like I/O, network requests, or timers without pausing overall execution. This approach allows applications to remain responsive, efficiently manage resources, and perform multiple operations concurrently, even if some tasks take longer to complete.

tcsh

/tiːˈsiːˌʃɛl/

noun … “an enhanced version of csh with improved interactivity and scripting features.”

C Shell

/siːˈʃɛl/

noun … “a Unix shell with C-like syntax designed for interactive use and scripting.”

csh, short for C shell, is a Unix command-line interpreter developed by Bill Joy in the late 1970s. It introduced a syntax and command structure inspired by the C programming language, making it more familiar to programmers accustomed to C. csh enhanced interactive usability with features such as history substitution, aliases, job control, and built-in arithmetic, while also supporting scripting for automation of system tasks.

ksh

/keɪˈʃɛl/

noun … “a Unix shell that extends sh with advanced scripting and interactive features.”

sh

/ʃɛl/

noun … “the original Unix command interpreter for executing scripts and commands.”

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