Kismet is one of the effective wireless sniffers available today. It can and should be used in together with others such as aircrack-ng, airodump, airdecap, airreplay. I view these applications as complementary rather than competing. It should not have any problems with IEEE 802.11a, b, g ,n traffic. It should be noted that kismet is for testing purposes and not for any illegal activities.
The vi text editor has the ability to replace text in a given range. This could be similar to highlighting text in the GUI editors and then doing a search and replace within the selected range. Only that in vi, this can be done much much faster using: :109,115s/patient/person/g