B.1. The Shells Compared
| Feature | Bourne | C | TC | Korn | Bash |
|---|---|---|---|---|---|
| Aliases | no | yes | yes | yes | yes |
| Advanced Pattern Matching | no | no | no | yes | yes |
| Command Line Editing | no | no | yes | yes[a] | yes |
| Directory Stacks (pushd, popd) | no | yes | yes | no | yes |
| Filename Completion | no | yes[a] | yes | yes | yes |
| Functions | yes | no | no | yes | yes |
| History | no | yes | yes | yes | yes |
| Job Control | no | yes | yes | yes | yes |
| Key Binding | no | no | yes | no | yes |
| Prompt Formatting | no | no | yes | no | yes |
| Spelling Correction | no | no | yes[a] | no | yes[b] |
[a] not a default setting; must be set by the user.
[b] cdspel is a shopt option set to correct minor spelling errors in directory names when cd is used.
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