/proc/self/root/proc/self/task/5
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 /.
256d00000-7ffcbc93b000 ---p 00000000 00:00 0 [rollup]Rss: 181340 kBPss: 180508 kBPss_Anon: 124588 kBPss_File: 55920 kBPss_Shmem: 0 kBShared_Clean: 1660 kBShared_Dirty: 0 kBPrivate_Clean: 55092 kBPrivate_Dirty: 124588 kBReferenced: 181340 kBAnonymous: 124588 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB