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!
ASUS H110M-R Motherboard Intel 6th/7th Gen LGA1151 DDR4 Micro-ATX i/o shield
$42.00
***NEW*** BCM RX67Q Gaming Motherboard | Intel Q67 2nd/3rd Gen. | LGA1155 | DDR3
$29.77
Asus TUF B365M-PLUS GAMING Motherboard LGA 1151 Intel B365 DDR4 M.2 Micro ATX
$65.00
GIGABYTE B560M DS3H AC LGA1200 Intel B560 SATA 6Gb/s Micro ATX Intel Motherboard
$64.99
Gigabyte AMD B550 UD AC Gaming Motherboard - AMD B550 Chipset - AM4 Socket - AMD
$89.99
Micro ATX Desktop Motherboard ASUS H110M-C LGA 1151
$31.95
Asus Prime B250M-C Motherboard Supports DDR4 Intel 7th Gen
$39.99
Gigabyte Ultra Durable B550 GAMING X V2 Desktop Motherboard
$94.99
GIGABYTE MB10-Datto Motherboard Xeon D-1521- SR2DF 2.40 GHz- Open Box
$112.00
BTC-S37 Mining Motherboard Kit /w SSD & Ram Preinstalled
$59.99