# OpenLab 2019: FS Code Digging Files from 2019-05-10 LCM OpenLab "Free Software & Code Digging". ## Tree ``` OpenLab_2019_FS_Code_Digging ├── [4.0K] code/ -> Codes used during this OpenLab │   ├── [4.0K] asm/ -> Assembly codes │   │   ├── [4.0K] file/ │   │   │   ├── [1.6K] a.out* -> Statically compiled binary file for "file" program │   │   │   ├── [1.9K] list │   │   │   ├── [1.9K] main.o │   │   │   └── [ 620] main.s -> Source file for "file" program │   │   └── [4.0K] hello/ │   │   ├── [1.2K] a.out* -> Statically compiled binary file for "hello" program │   │   ├── [1.3K] main.o │   │   └── [ 181] main.s -> Source file for "hello" program │   └── [4.0K] c/ -> C codes │   ├── [794K] arch* -> Statically compiled binary file for "arch" program │   ├── [ 302] arch.c -> Source file for "arch" program │   ├── [795K] mem* -> Statically compiled binary file for "mem" program │   └── [ 581] mem.c -> Source file for "mem" program ├── [ 107] README.md └── [4.0K] slides/ -> Slides used during this OpenLab ├── [ 18M] fs_cd_2019-05-10.odp.xz -> Modifiable version └── [5.8M] fs_cd_2019-05-10.pdf.xz -> Portable Document Format version 6 directories, 14 files ``` **Note:** in order to decompress the *.xz files you need to use the `xz` program distributed as part of the `xz-utils` package: ``` $ # Test file integrity $ xz -tv file.suffix.xz $ # Decompress $ xz -dkv file.suffix.xz ```