/proc/4/task/5/root/proc/self/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 /.
a706c0000-7fff8ace2000 ---p 00000000 00:00 0 [rollup]Rss: 293084 kBPss: 292266 kBPss_Anon: 236176 kBPss_File: 56090 kBPss_Shmem: 0 kBShared_Clean: 1632 kBShared_Dirty: 0 kBPrivate_Clean: 55276 kBPrivate_Dirty: 236176 kBReferenced: 293084 kBAnonymous: 236176 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB