CMD Command

# hapus file dalam folder recruisive
del /s /q *.pdf

# hapus folder dan sub folder
RMDIR "FOLDERNAME" /S /Q

# hapus semua folder awalan huruf A recruisive, rmdir tidak support wildcard
D:\Air
D:\Abonden
D:\All
D:\Whatever
# cek dulu
for /d %G in ("D:\A*") echo rd /s /q "%~G"
# hapus
for /d %G in ("D:\A*") do rd /s /q "%~G"

# contoh hapus direktori multiple pattern
for /d %G in ("D:\A*","D:\Whatever\B*","D:\C?D") do rd /s /q "%~G"

# Checking folder existence
dir /b /a:d "D:\A*" >nul 2>&1 && echo Folders exist. || echo No folders found.

# Checking which application is using a port
tat -aon | findstr '[port_number]'
# kemudian setelah dapat PID ketik berikut:
tasklist | findstr '[PID]'

# Checking which application is using a port
tasklist | findstr '[application_name]'
# kemudian setelah dapat PID ketik berikut:
tasklist | findstr '[PID]'

# mencari penggunaan memori aplikasi yg sedang berjalan
tasklist /fo csv /nh /fi "imagename eq chrome.exe"
# menjumlahkan dari hasil di atas, create file bat
@echo off
set sum=0
for /f "tokens=5 delims=," %%x in ('tasklist /fo csv /nh /fi "imagename eq chrome.exe"') do (
  for /f "tokens=1-4 delims=.K " %%a in (%%x) do set /a sum+=%%a%%b%%c%%d
)
echo Sum Chrome = %sum%
pause
# alternatif bikin file bat berikut
@Echo Off
Set "sum=0"
For /F "Tokens=6-7 Delims=., " %%a In (
    'TaskList /NH /FI "ImageName Eq chrome.exe"') Do Set/A sum+=%%a%%b
Set sum
Pause

# tasklist verbose untuk mendapatkan username
for /f "delims=" %I in ('tasklist /v /fi "imagename eq notepad.exe"') do @set "_=%I"&@call echo.^%_:~0,20^% ^%_:~26,8^% ^%_:~64,12^% ^%_:~93,25^% ^%_:~157,25^%

# ^%_:~0,20^% --> substring mulai kolom 0 sepanjang 20
# ^%_:~26,8^% --> substring mulai kolom 26 sepanjang 8

# cek last boot
systeminfo | find /i "Boot Time"