Lei Day orange, Kahoolawe is gray, Kauai is purple, and Niihau is white. In the same order the flowers are lehua, lokelani, 'ilima, kukui, kauna'oa, hinahina, mokihana, and a pupu shell. Niihau is the only island without a plant as its symbol. Lei Day in Hawaii incorporates various ethnic traditions, other than their own. Throughout the history of the holiday, natives have struggled between preserving Hawaiian culture and integrating foreign traditions on the special day. This has brought tension to the day of celebration, but over the years has meshed into part of the festivities. Although many different ethnic groups such as
Comparison of command shells user for sensitive information such as passwords, private digital keys, PIN codes or other confidential information. Sensitive input should not be echoed back to the screen/input device where it could be gleaned by unauthorized persons. Plaintext memory representation of sensitive information should also be avoided as it could allow the information to be compromised, e.g., through swap files, core dumps etc. The shells bash, zsh and PowerShell offer this as a specific feature. Shells which do not offer this as a specific feature may still be able to turn off echoing through some other means. Shells executing on a Unix/Linux