programming, operating system
One of the variables accessible to a Unix shell process, including environment variables (e.g. $HOME), command line arguments (e.g. $1) and local variables (e.g. $input_file). Other operating systems have similar variables.
noun 1. decorative work composed of seashells: an elaborate picture frame decorated with shellwork.
noun 1. a male or female given name.
noun 1. a private language, based in part on Irish, used among Travelers in the British Isles. noun 1. a secret language used by some itinerant tinkers in Ireland and parts of Britain, based on systematically altered Gaelic
noun 1. something beneath, behind, or within which a person, animal, or thing is protected from storms, missiles, adverse conditions, etc.; refuge. 2. the protection or refuge afforded by such a thing: He took shelter in a nearby barn. 3. protection from blame, incrimination, etc. 4. a dwelling place or home considered as a refuge […]