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# dos.library — AmigaDOS Overview

## Section Index

| File | Description |
|---|---|
| [dos_base.md](dos_base.md) | DosLibrary structure, RootNode, BCPL heritage |
| [file_io.md](file_io.md) | Open/Close/Read/Write/Seek, buffered I/O (FRead/SetVBuf), FileInfoBlock, practical patterns |
| [locks_examine.md](locks_examine.md) | Lock semantics (shared/exclusive), handler discovery, Examine/ExNext/ExAll, antipatterns |
| [pattern_matching.md](pattern_matching.md) | ParsePattern, MatchPattern, AmigaDOS wildcard syntax |
| [process_management.md](process_management.md) | CreateNewProc, SystemTagList, Execute |
| [packet_system.md](packet_system.md) | DosPacket wire format, ACTION_* codes, handler protocol, BSTR encoding |
| [filesystem.md](filesystem.md) | FFS/OFS block layout, root/file/data blocks, bitmap, hash function, ADF reader |
| [environment.md](environment.md) | GetVar/SetVar, local/global/persistent env variables |
| [error_handling.md](error_handling.md) | IoErr, Fault, PrintFault, complete error code table |
| [cli_shell.md](cli_shell.md) | CLI/Shell: pipes, redirection, scripts, ReadArgs template parsing |