For questions relating to shells and kernels.
A shell is a piece of software that provides an interface for users of an operating system which provides access to a kernel.
Questions tagged [shell]
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How is possible for a program to write on the same line?
Many programs are capable to "rewrite" on the same line, not in a STDOUT way.
For example scp write the percentage or many installation programs will show you the nice rotating wheel.
How it works?
Enrichman
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