/proc/4/root/proc/4/task/4
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
1fd9540000-7ffc3229e000 ---p 00000000 00:00 0 [rollup]Rss: 1710652 kBPss: 1709852 kBPss_Anon: 1655276 kBPss_File: 54576 kBPss_Shmem: 0 kBShared_Clean: 1596 kBShared_Dirty: 0 kBPrivate_Clean: 53780 kBPrivate_Dirty: 1655276 kBReferenced: 1710652 kBAnonymous: 1655276 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB