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cURL (pronounced like "curl", [7] / k ɜːr l /) is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various network protocols. The name stands for "Client for URL ".
The language is designed so Curl applications can be compiled to native code of the client machine by a just-in-time compiler and run at high speed. Curl applets can also be written so that they can run off-line when disconnected from a network (occasionally connected computing). The Curl IDE is an application written in Curl.
Many command line programs, such as cURL [1] or Bash [2],can be set to verbose mode by using a flag, such as -v or --verbose. References
and then enter the command "help" to see the available commands. The standard dictd package also provides a "dict" command for command-line use. More sophisticated DICT clients include: cURL; dictc (DICT Client) [11] client for Windows written in Delphi. dict.org's own client (part of the dictd [7] package) dictem, [12] for the Emacs text editor
jq is typically used at the command line and can be used with other command-line utilities, such as curl.Here is an example showing how the output of a curl command can be piped to a jq filter to determine the category names associated with this Wikipedia page:
The curl of the gradient of any scalar field φ is always the zero vector field = which follows from the antisymmetry in the definition of the curl, and the symmetry of second derivatives. The divergence of the curl of any vector field is equal to zero: ∇ ⋅ ( ∇ × F ) = 0. {\displaystyle \nabla \cdot (\nabla \times \mathbf {F} )=0.}
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visudo is a command-line utility that allows editing the sudo configuration file in a fail-safe manner. It prevents multiple simultaneous edits with locks and performs sanity and syntax checks . Sudoedit is a program that symlinks to the sudo binary. [ 28 ]