/proc/thread-self/root/proc/thread-self/root/proc/self/root/proc/12/root/proc/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 /.
00400000-7ffc66180000 ---p 00000000 00:00 0 [rollup]Rss: 113804 kBPss: 112673 kBPss_Anon: 60628 kBPss_File: 52045 kBPss_Shmem: 0 kBShared_Clean: 1772 kBShared_Dirty: 0 kBPrivate_Clean: 51404 kBPrivate_Dirty: 60628 kBReferenced: 113804 kBAnonymous: 60628 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB