Crossword puzzle

Click on any number for the definition.

  1         2    3     4     5   6    
         7      8         
  9       10               
  11     12          13    14    15     
     16     17    18           19   
   20       21           22     
  23            24          
       25               
              26      27    
28        29             30     
         31   32            
  33   34      35         36        
      37                
     38      39      40      41     
  42       43       44          
45                46        
   47                  48   
49    50             51         
    52                  
 53        54          55       

Horizontal

1. Proprietary DBMS turned free
5. Traditional version control system
7. Portable document format
8. Object-oriented scripting language
10. GUI toolkit
11. Hird of unix-replacing daemons
13. Linux distribution
16. Distributed version control system
20. tape archiver
21. 3D shootout game
22. keyboard-oriented window manager with experimental UI features
25. portable computer
26. NNTP server
28. SMB server
29. Big Blue
30. Documentation program
31. SSL library
33. Package management frontend
36. Small, popular DBMS
37. Archive maintenance tool
40. Read-only medium
42. Scripting language
43. Hurd of interfaces representing depth
46. female archive management tool
47. feature-rich DBMS
49. Processor type
51. Tool to aid in preconfiguring packages
52. Assembler
53. Hostname protocol
54. Kernel module loader
55. Feature-rich C shell

Vertical

2. Package management application
3. High-performance journaling file system
4. Linux distribution
6. Very fat file system
9. Web-oriented scripting language
10. Compiler
12. Distributed version control system
13. Package management application
14. Linux distribution
15. Package conversion tool
17. Hard disk configuration tool
18. In-depth documentation typically developed by an application or subsystem's users
19. On-line helptool
23. Content Management System
24. API to aid in modularizing applications
26. Kernel module loader
27. Web-based application framework
28. Processor architecture
32. Network file system
34. Processor architecture
35. Bourne Again Shell
38. Kernel module status tool
39. Operating system
41. Filesystem generation tool
44. License
45. Newsreader
46. Desktop environment
48. Journalled file system
50. UNIX vendor
51. High-capacity read-only medium