/proc/self/root/proc/4/task/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 /.
7bc6a40000-7fff57158000 ---p 00000000 00:00 0 [rollup]Rss: 246460 kBPss: 245724 kBPss_Anon: 189720 kBPss_File: 56004 kBPss_Shmem: 0 kBShared_Clean: 1468 kBShared_Dirty: 0 kBPrivate_Clean: 55272 kBPrivate_Dirty: 189720 kBReferenced: 246460 kBAnonymous: 189720 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB