| 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 [*] | yes | | Directory Stacks ( pushd, popd ) | no | yes | yes | no | yes | | Filename Completion | no | yes [*] | 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 [*] | no | yes [ ] | [*] not a default setting; must be set by the user . [ ] cdspell is a shopt option set to correct minor spelling errors in directory names when cd is used. |