Bash functions are essentially reusable wrappers around commands. You can use them to define complex command pipelines or to perform some detailed work and echo the result. They accept arguments and ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

The Shell logo, or "Pecten," is one of the world's most recognised symbols. But it wasn't born that way. It was forged through a century of ruthless simplification. Forget "timeless" design—the real ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed.

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed.

Royal Dutch Shell PLC is an integrated oil and gas company. The company engages in exploration, production, and refining of oil around the world. It supplies fuel and other chemicals to various ...