f3: Test real flash memory capacity

    2024-02-17 13:00           0 usr/
    2024-02-17 13:00           0 usr/bin/
    2024-02-17 13:00       23059 usr/bin/f3read.exe
    2024-02-17 13:00       22035 usr/bin/f3write.exe
    2024-02-17 13:00           0 usr/lib/
    2024-02-17 13:00           0 usr/share/
    2024-02-17 13:00           0 usr/share/doc/
    2024-02-17 13:00           0 usr/share/doc/f3/
    2024-02-17 13:00       35147 usr/share/doc/f3/LICENSE
    2024-02-17 13:00       11262 usr/share/doc/f3/README.rst
    2024-02-17 13:00        1236 usr/share/doc/f3/changelog.gz
    2024-02-17 13:00        1833 usr/share/doc/f3/contribute.rst.gz
    2024-02-17 13:00           0 usr/share/doc/f3/examples/
    2024-02-17 13:00         103 usr/share/doc/f3/examples/f3write.h2w
    2024-02-17 13:00         164 usr/share/doc/f3/examples/log-f3wr
    2024-02-17 13:00        1359 usr/share/doc/f3/history.rst.gz
    2024-02-17 13:00       11114 usr/share/doc/f3/usage.rst.gz
    2024-02-17 13:00           0 usr/share/man/
    2024-02-17 13:00           0 usr/share/man/man1/
    2024-02-17 13:00         749 usr/share/man/man1/f3read.1.gz
    2024-02-17 13:00          33 usr/share/man/man1/f3write.1.gz