/proc/self/root/proc/4/root/proc/4/task/8/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 /.
b6eec0000-7fff00cb3000 ---p 00000000 00:00 0 [rollup]Rss: 137240 kBPss: 136514 kBPss_Anon: 80556 kBPss_File: 55958 kBPss_Shmem: 0 kBShared_Clean: 1448 kBShared_Dirty: 0 kBPrivate_Clean: 55236 kBPrivate_Dirty: 80556 kBReferenced: 137240 kBAnonymous: 80556 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB