PowerShell : Install2025/10/06 |
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Install Microsoft PowerShell for Linux. |
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| [2] | Install Microsoft PowerShell from Snap. |
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root@dlp:~# snap install powershell --classic powershell 7.5.3 from Canonical✓ installed |
| [3] | This is the Basic usage of PowerShell. |
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# run PowerShell root@dlp:~# pwsh PowerShell 7.5.3 PS /root> # display Cmdlet list (only display 10 lines from the head) PS /root> (Get-Command)[0..9] CommandType Name Version Source ----------- ---- ------- ------ Alias Get-PSResource 1.1.1 Microsoft.PowerShell.PSResourceGet Function cd.. Function cd\ Function cd~ Function Clear-Host Function Compress-Archive 1.2.5 Microsoft.PowerShell.Archive Function exec Function Expand-Archive 1.2.5 Microsoft.PowerShell.Archive Function Find-Command 2.2.5 PowerShellGet Function Find-DSCResource 2.2.5 PowerShellGet # display the current PATH PS /root> pwd Path ---- /root # change directory to /home PS /root> cd /home # back to home PS /home> cd # display files under the current directory (dir equals Get-ChildItem) PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # display files under / PS /root> Get-ChildItem / | ft -AutoSize -Wrap Directory: / UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- lrwxrwxrwx root root 8/10/2025 16:17 7 bin -> usr/bin drwxr-xr-x root root 10/6/2025 09:21 4096 boot drwxr-xr-x root root 10/6/2025 09:58 3360 dev drwxr-xr-x root root 10/6/2025 09:58 4096 etc drwxr-xr-x root root 10/6/2025 09:29 4096 home lrwxrwxrwx root root 8/10/2025 16:17 7 lib -> usr/lib ..... ..... # create new file under the current directory PS /root> New-Item -Path test.txt Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- -rw-r--r-- root root 10/6/2025 10:04 0 test.txt PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap -rw-r--r-- root root 10/6/2025 10:04 0 test.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # create new directory under the current directory PS /root> New-Item -ItemType Directory -Path testdir Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwxr-xr-x root root 10/6/2025 10:04 4096 testdir PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap drwxr-xr-x root root 10/6/2025 10:04 4096 testdir -rw-r--r-- root root 10/6/2025 10:04 0 test.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # [echo] texts and redirect it to a file PS /root> echo "test content" >> test.txt # display content of a file PS /root> Get-Content test.txt test content # move/rename a file PS /root> Move-Item test.txt test1.txt PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap drwxr-xr-x root root 10/6/2025 10:04 4096 testdir -rw-r--r-- root root 10/6/2025 10:06 13 test1.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # copy a file PS /root> Copy-Item test1.txt test2.txt PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap drwxr-xr-x root root 10/6/2025 10:04 4096 testdir -rw-r--r-- root root 10/6/2025 10:06 13 test1.txt -rw-r--r-- root root 10/6/2025 10:06 13 test2.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # copy a directory recursively PS /root> Copy-Item testdir testdir2 -Recurse PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap drwxr-xr-x root root 10/6/2025 10:04 4096 testdir drwxr-xr-x root root 10/6/2025 10:08 4096 testdir2 -rw-r--r-- root root 10/6/2025 10:06 13 test1.txt -rw-r--r-- root root 10/6/2025 10:06 13 test2.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # remove a file PS /root> Remove-Item test2.txt PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap drwxr-xr-x root root 10/6/2025 10:04 4096 testdir drwxr-xr-x root root 10/6/2025 10:08 4096 testdir2 -rw-r--r-- root root 10/6/2025 10:06 13 test1.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # remove a directory recursively PS /root> Remove-Item testdir2 -Recurse PS /root> dir | ft -AutoSize -Wrap Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- drwx------ root root 10/6/2025 10:01 4096 snap drwxr-xr-x root root 10/6/2025 10:04 4096 testdir -rw-r--r-- root root 10/6/2025 10:06 13 test1.txt -rw-r--r-- root root 10/6/2025 03:07 9866242 usermin-current.deb -rw-r--r-- root root 10/5/2025 10:02 27252630 webmin-current.deb # search files which includes [.txt] in thier name under the current directory PS /root> Get-ChildItem "*.txt" -Recurse Directory: /root UnixMode User Group LastWriteTime Size Name -------- ---- ----- ------------- ---- ---- -rw-r--r-- root root 10/6/2025 10:06 13 test1.txt # search a word [test] in a file [test1.txt] PS /root> Select-String -Pattern "test" test1.txt test1.txt:1:test content # show help about a cmdlet PS /root> Get-Help Get-Content NAME Get-Content SYNTAX Get-Content [-Path] <string[]> [-ReadCount <long>] [-TotalCount <long>] [-Tail <int>] [-Filter <string>] [-Include <string[]>] [-Exclude <string[]>] [-Force] [-Credential <pscredential>] [-Delimiter <string>] [-Wait] [-Raw] [-Encoding <Encoding>] [-AsByteStream] [<CommonParameters>] ..... ..... |
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