Is SHELL needed to be a Data Scientist?In one word, it depends upon the work. Most of the Well-Known Data Scientists have some knowledge about SHELL Scripting.
What Is SHELL?In computing, a shell is a user interface for access to an operating system’s services. In general, operating system shells use either a command-line interface or graphical user interface, depending on a computer’s role and particular operation.
**Read this article – What is Shell and Kernel in Linux?
SHELL TypesIn Unix, there are two major types of shells −
- Bourne shell − If you are using a Bourne-type shell, the $ character is the default prompt.
- C shell − If you are using a C-type shell, the % character is the default prompt.
- Bourne shell (sh)
- Korn shell (ksh)
- Bourne Again shell (bash)
- POSIX shell (sh)
- C shell (csh)
- TENEX/TOPS C shell (tcsh)
How Do Data Scientists Use SQL?In Shell, Data Scientists have to build some pipelines for the data. They write some script regarding their regular data or more likely same types of data. Suppose you have to print the First and the Last date from one or more file, and it’s a regular job to you, so, in that case, Data Scientists build one Script ( .sh ) file to handle this type of operation in one second. So, what will be the Script to print the first and the last date?
This will print the First Date and the Last Date from the given datasets. [/et_pb_text][et_pb_text _builder_version=”3.0.100″ background_layout=”light”]for filename in [email protected] do head -n 2 $filename | tail -n 1 tail -n 1 $filename done
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