/proc/self/root/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 /.
d4d880000-7ffd745fb000 ---p 00000000 00:00 0 [rollup]Rss: 267540 kBPss: 266804 kBPss_Anon: 210764 kBPss_File: 56040 kBPss_Shmem: 0 kBShared_Clean: 1468 kBShared_Dirty: 0 kBPrivate_Clean: 55308 kBPrivate_Dirty: 210764 kBReferenced: 267540 kBAnonymous: 210764 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB