/proc/4/root/proc/2/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 /.
1b39540000-7ffef1976000 ---p 00000000 00:00 0 [rollup]Rss: 249572 kBPss: 248776 kBPss_Anon: 192816 kBPss_File: 55960 kBPss_Shmem: 0 kBShared_Clean: 1588 kBShared_Dirty: 0 kBPrivate_Clean: 55168 kBPrivate_Dirty: 192816 kBReferenced: 249572 kBAnonymous: 192816 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB