You can display the manual sections that contain any of the given Keywords in their title with the apropos command. The apropos command considers each word separately and does not take into account if a letter is in uppercase or lowercase. Words that are part of other words are also displayed. For example, when looking for the word compile, the apropos command also finds all instances of the word compiler.
The apropos command is equivalent to using the man command with the -k option.
For example, to find the manual sections that contain the word password in their titles, type:
See the apropos command in the AIX 5L Version 5.1 Commands Reference for the exact syntax.