Beginners • Problems with full sd card

Code:

pi@raspberrypi:~ $ cd /var/cache/apt/archivespi@raspberrypi:/var/cache/apt/archives $ ls -ltotal 4-rw-r----- 1 root root    0 May  7  2021 lockdrwx------ 2 _apt root 4096 May 27  2024 partialpi@raspberrypi:/var/cache/apt/archives $ df -lFilesystem      1K-blocks      Used  Available Use% Mounted on/dev/root        61061256  61044872          0 100% /devtmpfs           412040         0     412040   0% /devtmpfs              445320         0     445320   0% /dev/shmtmpfs              445320     52412     392908  12% /runtmpfs                5120         4       5116   1% /run/locktmpfs              445320         0     445320   0% /sys/fs/cgroup/dev/mmcblk0p1     258095     55093     203002  22% /boot/dev/sda1      3907016700 762555404 3144461296  20% /home/pi/mnt/CamFilestmpfs               89064         0      89064   0% /run/user/1000pi@raspberrypi:/var/cache/apt/archives $ cd ..pi@raspberrypi:/var/cache/apt $ /dev/root        61061256  61044872          0 100% /cdpi@raspberrypi:/ $ cd /dev/root-bash: cd: /dev/root: No such file or directorypi@raspberrypi:/ $ sudo apt purge wolfram-engineReading package lists... DoneBuilding dependency treeReading state information... DonePackage 'wolfram-engine' is not installed, so not removed0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.pi@raspberrypi:/ $ sudo apt clean && sudo apt autoremoveReading package lists... Error!E: Write error - write (28: No space left on device)E: IO Error saving source cacheE: The package lists or status file could not be parsed or opened.pi@raspberrypi:/ $ sudo cat /sys/firmware/devicetree/base/model;echo