- if
Section 7.1.1
- init
Section 1.3.1, Section 1.5.6
- initialization files
Section 3.1
- input field separator
Section 3.2.4.1, Section 3.2.5, Section 6.3
- interactive editing
Section 5.2
- interactive scripts
Section 8.1
- interactive shell
Section 1.2.2.2.1, Section 1.2.2.2.2, Section 1.2.2.3.3
- invocation
Section 1.2.2.1