To copy items in PowerShell, one needs to use the Copy-Item cmdlet. When you use the Copy-Item, you need to provide the source file name and the destination file or folder name.In the below example, we will copy a single file from the D:\Temp to the D:\Temp1 location.ExampleCopy-Item -Path D:\Temp\PowerShellcommands.csv -Destination D:\Temp1\ -PassThruOutputPS C:\Windows\System32> Copy-Item -Path D:\Temp\PowerShellcommands.csv -Destination D:\Temp1\ -PassThru     Directory: D:\Temp1 Mode                LastWriteTime         Length Name ----                -------------         ------ ---- -a----       20-01-2020   ... Read More

Copy-Item in PowerShell cmdlet is used for copying items from one location to another location in the same namespace. Here, the namespace meaning, you can copy items from files to the different folders but cannot files to the registry or the certificate store.This cmdlet doesn’t delete or cut the item from the source location instead, it copies the item to the destination folder with the same name or the different name.Copy-Item Syntax with parameters in PowerShell is as below.Copy-Item    [-Path]    [-LiteralPath]    [[-Destination] ]    [-Container]    [-Force]    [-Filter ]    [-Include ]    [-Exclude ... Read More

Adding values of the hash table is simple as the adding string. We just need to use the addition operator (+) to merge two hash table values.Here, we have two hash tables: $htable and $htable1.$htable = [Ordered]@{EmpName="Charlie";City="New York";EmpID="001"} $htable1 = [Ordered]@{Fruit='Apple';Color='Red'}We will now add two hash tables,$htable + $htalble1PS C:\WINDOWS\system32> $htable+$htable1 Name       Value ----       ----- EmpName    Charlie City       New York EmpID      001 Fruit      Apple Color      Red

Hash table in the PowerShell session is created temporarily. It is like a variable, when the session is closed, hash table is deleted automatically. If you want to delete all the values from the hash table at once but retaining the hash table variable, you need to use the Clear() method.We have the hash table below created already.$htable = [Ordered]@{EmpName="Charlie";City="New York";EmpID="001"}PS C:\WINDOWS\system32> $htable Name       Value ----       ----- EmpName    Charlie City       New York EmpID      001To clear the above hashtable, $htable.Clear()If you check the hash table data, it won’t display ... Read More

You can add values to the hash table and remove values from the hash tables. To add the values to the hash table, you need to use the below format.$hash[""] = ""We have hash table already created here, $htable = [Ordered]@{EmpName="Charlie";City="New York";EmpID="001"}PS C:\WINDOWS\system32> $htable Name       Value ----       ----- EmpName    Charlie City       New York EmpID      001We need to add additional key “Dept” in the above hash table with the value “Technical”.$htable['Dept']="Technical"When you check the output of the above Hashtable, you can see the key-value is appended to the table.PS ... Read More

There are several ways to create a Hash Table in PowerShell. We will discuss here the standard method @{} for creating the Hash Table.Using @{} MethodYou can use @{} method to create a hash table. Key-Value pair is separated with the Semi-Colon (;). You can only add unique keys. Duplicate keys are not accepted.$htable = @{EmpName="Charlie";City="New York";EmpID="001"}OutputName       Value ----       ----- EmpID      001 City       New York EmpName    CharlieHere, you will not get the output in an ordered fashion. To get the ordered output, you need to write [Ordered] ahead ... Read More

Hash table in a PowerShell is constructed with the Key-Value combination. Each key has its own value, so to get the value we need to refer the Key. We don’t need numeric indexing like Array to refer values.This is how the hash table looks like.Name       Value ----       ----- EmpName     Charlie City       New York EmpID       001In the hash table creation, keys and values are separated with Semi-colons (;). In the above example, EmpName, City and EmpID are referred as keys while Charlie, New York ... Read More

To create or declare an array in PowerShell, there are few methods.You can directly assign values to the variable and separate it by comma (, ) and that variable becomes the variable.For example, $a = "Apple", "Dog", "Cat", "Banana", "Camel"$a is now an array. To access the variable you can use the Indexing method. The first value will be stored at 0, second at 1 and so on.$a[0] will give the output “Apple”, $a[1] will give the output “Dog” and so on. Negative indexing also works in the array. -1 is the last index, -2 is the second last and ... Read More

An array is consists of a set of elements of the same data types or the different data types. When the output consists of more than one line then output or stored variable automatically becomes the Array. Its data type is Object[] or ArrayList and base type would be System.array or System.Object.For example, The output of IPConfig is an array.ExamplePS C:\WINDOWS\system32> ipconfig Windows IP Configuration Ethernet adapter Ethernet: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Ethernet adapter VirtualBox Host-Only Network: Connection-specific DNS Suffix . : Link-local ... Read More

You can overwrite the Powershell alias by redefining it. For example, if the alias is created Edit for Notepad.exe and if you want to overwrite it with another program, say wordpad.exe then use the below command.We will overwrite the Edit alias cmdlet with Wordpad.exe using the Set-Alias command. When you close the PowerShell session, it will remove newly created aliases and modified aliases.Set-Alias edit "C:\Program Files\Windows NT\Accessories\wordpad.exe"You cannot overwrite pre-defined aliases. It will throw an exception.For example, when you try to modify dir alias which points to Get-Content, error output will be as below.To remove newly created aliases without closing ... Read More