/proc/2/root/proc/self/task/4/root/proc/thread-self/root/proc/thread-self
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 /.
215e8c0000-7ffee3728000 ---p 00000000 00:00 0 [rollup]Rss: 243888 kBPss: 243144 kBPss_Anon: 187136 kBPss_File: 56008 kBPss_Shmem: 0 kBShared_Clean: 1484 kBShared_Dirty: 0 kBPrivate_Clean: 55268 kBPrivate_Dirty: 187136 kBReferenced: 243888 kBAnonymous: 187136 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB