Tutorial by Topics: shell

Windows PowerShell is a shell and scripting component of the Windows Management Framework, an automation/configuration management framework from Microsoft built on the .NET Framework. PowerShell is installed by default on all supported versions of Windows client and server operating systems since ...

This section provides an overview of what shell is, and why a developer might want to use it. It should also mention any large subjects within shell, and link out to the related topics. Since the Documentation for shell is new, you may need to create initial versions of those related topics. ...

A class is an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions or methods).A class is a blueprint for an object. It is used as a model to define the structure of objects. An object contains ...

A function is basically a named block of code. When you call the function name, the script block within that function runs. It is a list of PowerShell statements that has a name that you assign. When you run a function, you type the function name.It is a method of saving time when tackling repetitiv...

The SSH (Secure Shell) is a cryptographic protocol for point-to-point communication over the insecure network (Internet). It obsoletes the old protocols used in the old days (rlogin, rsh, telnet). It is commonly used to connect to remote servers, virtual machines or containers in data center or i...

The shell executes a program in response to its prompt. When you give a command, the shell searches for the program, and then executes it. For example, when you give the command ls, the shell searches for the utility/program named ls, and then runs it in the shell. The arguments and the options tha...

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https://technet.microsoft.com/en-us/library/hh849921.aspx

Variables are used for storing values. Let the value be of any type , we need to store it somewhere so that we can use it throughout the console/script. Variable names in PowerShell begin with a $, as in $Variable1, and values are assigned using =, like $Variable1 = "Value 1".PowerShell su...

PowerShell introduces an object pipelining model, which allows you to send whole objects down through the pipeline to consuming commandlets or (at least) the output. In contrast to classical string-based pipelining, information in piped objects don't have to be on specific positions. Commandlets can...

echo $0 ps -p $$ echo $SHELL export SHELL=/bin/bash exec /bin/bash cat /etc/shells

Jobs were introduced in PowerShell 2.0 and helped to solve a problem inherent in the command-line tools. In a nutshell, if you start a long running task, your prompt is unavailable until the task finishes. As an example of a long running task, think of this simple PowerShell command: Get-ChildItem ...

It can be used to Exit the current scope, which can be a function, script, or script block. In PowerShell, the result of each statement is returned as output, even without an explicit Return keyword or to indicate that the end of the scope has been reached. You can read more about the return s...

FormatInterpreted as%%literal percent sign (%)%Aweekday name (e.g. Sunday)%aweekday name in short fomat (e.g. Sun)%Bfull month name (e.g. January)%bmonth name (e.g. Jan)%Hhour (00..23)%Ihour (01..12)%jday of year (001..366)%khour ( 0..23)%lhour ( 1..12)%Mminute (00..59)%mmonth (01..12)%pDefine AM o...

Basics You need to have a Linux command line or connect using SSH to your server in order to use shell scripts. Go to your MAGENTO_ROOT/shell Script can be run by typing i.e. php -f indexer.php help Core shell methods by files abstract.php indexer.php compiler.php ...

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In this topic we propose a simple method to correctly design simple digital circuits with VHDL. The method is based on graphical block diagrams and an easy-to-remember principle: Think hardware first, code VHDL next It is intended for beginners in digital hardware design using VHDL, with a limited...

Profile file is a powershell script that will run while the powershell console is starting. This way we can have our environment prepared for us each time we start new powershell session. Typical things we want to do on powershell start are: importing modules we use often (ActiveDirectory, Ex...