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HIRE OFFSHORE UNIX PROGRAMMER/ DEVELOPER
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Unix Overview
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The UNIX file system has a hierarchical tree structure. At the top of the tree is the root directory, /, from which all other files and subdirectories branch.A directory is a special type of file that is an index to all of the files and subdirectories one level below it. It is an operating system.An OS tells a computer how to process commands and programs that the user gives it.An OS is the foundation software of a machine; It schedules tasks, allocates storage and presents a default interface to the user between applications.
Features
- The kernel and the shell, Graphical User Interface.
- UNIX systems from different vendors can work together in the same computer
- Text processing, Editors and Text formatters.
- It allow windows to be displayed across a network onto more than one graphics terminal.
- Built-in TCP/IP networking, for communications across all forms of networks.
- Full multitasking with protected memory
Weaknesses
- The traditional command line shell interface is user hostile designed for the programmer, not the casual user.
- Much use of special keyboard characters - little types have unexpected results.
- To use Unix well, you need to understand some of the main design features.
- Richness of utilities (over 400 standard ones) often overwhelms novices
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