Subpages concerning Selected Issues.

This is a summary of the local links which are distributed over the main page.

Shell implementation details:

• change in the implementation of "$@"
• change in the implementation of positional and function parameters
• fix of a subtle quoting problem
• introduction of set --, to separate arguments from options
• change in the implementation of the bracket expression "[...]"
• the file descriptor 19 issue
• the type output for case in a function
• change of the exit status of a pipeline
• resource summary extension on EP/IX

Overviews:

• common characteristics of the traditional bourne shell variants
• inspected unix variants

Manual pages:

• Version3, Version 4 and Version6 Thompson shell manual
• PWB Mashey Shell manual
• Version7 Bourne shell manual
• Version8 Bourne shell manual

And more or less short articles:

• usenet article from John Mashey about the origins
• an article from David Korn about the origins
• collected notes from usenet about the internal memory management