$$$ sudo apt-get install secure-delete

sudo srm  /home/aun/Documents/xueo/1.png

sudo sfill /home

smem

cat /proc/swaps
sudo sswap /dev/dm-3
---------------------------------------------------------
shred /home/aun/Documents/xueo/1.png
shred /dev/sda5
shred -n 100 filename


-----------------------------------------
sudo aptitude install wipe
wipe -r /tmp
wipe /dev/sda1

------------------

### INSTALL ELECTRUM BITCOIN WALLET###
	Install dependencies:
sudo apt-get install python3-setuptools python3-pyqt5 python3-pip
	Install Electrum:
sudo python3 -m pip install https://download.electrum.org/3.2.3/Electrum-3.2.3.tar.gz#egg=electrum[fast]

----------------------------

sudo apt update && sudo apt upgrade

####################

lspci | grep USB

lsusb
dmesg | tail


dd if=/home/user/Downloads/parabola-2015.11.11-dual.iso of=/dev/sdc
dd if=sdcard.img of=/dev/sdc
dd if=/dev/sdc of=sdcard.img
dd if=/dev/zero of=/dev/sdc


dd if=dev/sg0 of=sg0.img


find /| grep "suchbegriff"