Puppy Linux Discussion Forum

I created a script to write a blank save file.

I borrowed the code from sandbox-rw.sh which is part of the root-fs on woof-CE.

Why I wanted to do this is because I'm running Linux on a ntfs system and I didn't want to extract linux code to a windows file system. I also didn't want to fill up my save fill with stuff that wasn't relevant to the functioning of the OS. You can mount this newly created save file and read/write to it like it's a separate file system.

So far I only tested the script without options, and don't output any usage or help messages.

You should do

gdk-pixbuf-query-loaders > /etc/gtk-2.0/gdk-pixbuf.loaders

to make sure it can be used to choose/load at boot.

This is how I do it:

$1 = path, name and suffix of the save file
$2 = size of the save file
$3 = suffix of the save file

# Create the save file
dd if=/dev/zero of=$1 bs=1M count=$2
yes y | mkfs.$3 $1
sync

# Update the save file
mkdir /tmp/mnt
mount -o loop "$1" /tmp/mnt
mkdir -p /tmp/mnt/etc/gtk-2.0
gdk-pixbuf-query-loaders > /tmp/mnt/etc/gtk-2.0/gdk-pixbuf.loaders
umount /tmp/mnt
rm -r /tmp/mnt

You can make files with a mountable file system in the file for general purpose use, the file does not need to be mounted as a savefile in an aufs layered file system. The file can be on any file system, including ntfs or fat32.
Any Linux OS can do this, not just Puppy.

For example:

# dd if=/dev/zero of=/mnt/home/tmp.3fs bs=1M count=1024
# mkfs.ext3 /mnt/home/tmp.3fs
# mount-FULL -o loop /mnt/home/tmp.3fs /mnt/data/
# df -h /mnt/data/
Filesystem      Size  Used Avail Use% Mounted on
/dev/loop3      976M  1.3M  924M   1% /mnt/data
# umount-FULL /mnt/data/
# rm /mnt/home/tmp.3fs

The filename does not need a 3fs extension, it can be any name.

The file can be mounted and unmounted whenever you like, and the file can be copied, moved, deleted, renamed whenever you like (preferably when the file is unmounted).

For example, you could use the space in the file to remaster Puppy, or to compile something.