# Windows Basics

The system environment variable for the Windows directory

```
%windir%
```

Local User and Group Management

```
lusrmgr.msc
```

System Configuration utility

```
msconfig
```

The command for Windows Troubleshooting

```
C:\Windows\System32\control.exe /name Microsoft.Troubleshooting
control.exe
```

Computer Management

```
compmgmt
```

System Information. *Windows includes a tool called Microsoft System Information (Msinfo32.exe).  This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.*

* Hardware Resources
* Components
* Software Environment

```
msinfo32
```

Another method to view environment variables is `Control Panel > System and Security > System > Advanced system settings > Environment Variables` OR `Settings > System > About > system info > Advanced system settings > Environment Variables`.

Resource Monitor

```
resmon
```

* CPU
* Disk
* Network
* Memory

Registry Editor

```
regedit
regedt32.exe
```

**Essential Commands**

```
hostname
whoami
ipconfig
ipconfig /?   //getting help
netstat
net user
```

### RDP

```
xfreerdp /v:10.129.13.110 /u:htb-student /p:Academy_student_AD! /size:1024x768 /smart-sizing:1600x1200
```

### RDP with share folder

```
xfreerdp /v:10.129.33.49 /u:johanna /p:1231234! /size:1024x768 /smart-sizing:1600x1200 +clipboard /drive:share,//home/htb-ac-618469/Desktop
```

### Check open Ports

You can do it by running `ss -tunlp` (or `netstat` on older systems)

```
tbfcapp@tbfc-devqa01:~$ ss -tulpn                                                                                                       
Netid         State          Recv-Q         Send-Q                      Local Address:Port                    Peer Address:Port         
Process                                                                                                                                 
udp           UNCONN         0              0                                 0.0.0.0:53                           0.0.0.0:*            
udp           UNCONN         0              0                      10.48.178.154%ens5:68                           0.0.0.0:*            
tcp           LISTEN         0              32                                0.0.0.0:21212                        0.0.0.0:*            
tcp           LISTEN         0              151                             127.0.0.1:3306                         0.0.0.0:*            
```

### Recursively search for files

```
dir C:\Windows\System32\*.txt /s /b
```

* `dir` → list files
* `C:\Windows\System32\*.txt` → match **all `.txt` files** in `System32`
* `/s` → **search recursively** through all subdirectories
* `/b` → **bare format** (full paths only, no headers or extra info)


---

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