When I invoke 'System Monitor' under the file systems tab it shows:
/dev/loop0 /KNOPPIX-DATA ext2 528.4 MB 125.8 MB 402.6 MB 76%
The used value of 402.6 MB (76%) has gradually gone up from minimal when Knoppix was first (Poor man) installed until now and I do not know why. I have not knowingly added anything apart from preferences I might make in various programs. My main usage is the Chrome browser. At the end of each session I clear browsing data and any downloads are moved to physical disk space and deleted from the downloads directory.
This figure is now too high and I want to reduce it by removing stuff that is not necessary. I thought I would use File manager for that so fired up PCManFM and looked at the /KNOPPIX-DATA directory and sub directories. There did not look much there at all. I looked at the properties of /KNOPPIX-DATA and the total size of files is 82.7 MB. I thought I would have a look inside the knoppix-data.img file by using another linux to extract the files from it. Again the files extracted came to a size of ~80+ MB.
So what is the other 319.9 MB used for and where is it so I can delete what is unnecessary!
Micron 16GB 2Rx8 PC4-2400T-SE1-11 Laptop Memory MTA16ATF2G64HZ-2G3E1 Tested
$17.99
A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G
$13.99
Samsung 16GB 2Rx8 PC4-2400T-SE1-11 Laptop Memory M471A2K43CB1-CRC Tested Working
$17.99
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$22.45
Micron 8GB DDR4 1Rx16 PC4-3200AA Laptop RAM Memory MTA4ATF1G64HZ-3G2E2
$10.00
Team T-FORCE VULCAN Z 32GB (2 x 16GB) PC RAM DDR4 3200 (PC4 25600) Memory
$54.99
Lot of 2 4GB DDR4 Memory PC4-3200 SODIMM Laptop RAM 3200MHz
$9.99
32GB Kit 2 x 16GB PC4-3200AA-SE1-11 Laptop RAM DDR4 MICRON Memory
$41.99
A-Tech 128GB 4x 32GB 2Rx4 PC4-19200R DDR4 2400 ECC REG RDIMM Server Memory RAM
$191.96
USB Flash Drive Memory Stick Pendrive Thumb Drive 4GB, 8GB, 32GB, 64GB 128GB LOT
$230.40