Android usefull commands

List currently running services
    dumpsys -l
    
Print memory information
    dumpsys meminfo
    
Print all crashed logs
    dumpsys dropbox --print
    
Provide all netstat entries
    dumpsys netstats --full
    
Provide list of all available services
    service list
    
Provide list all installed packages
    pm list packages -f
    
Screenshot
    screencap -p /sdcard/screen.png
    
Get serial number of Android device
    cd /sys/class/android_usb/android0/
    cat iSerial
    
Get MAC id of different interface
    netcfg