Lei (garland) by a specific type of lei and a color. Lei (garland) Lei () is a garland or wreath. More loosely defined, a lei is any series of objects strung together with the intent to be worn. The most popular concept of a "lei" in Hawaiian culture is a wreath of flowers presented upon arriving or leaving as a symbol of affection. This concept was popularized through tourism between the Hawaiian Islands and the continental United States in the 19th and 20th centuries. Children and sweethearts are poetically referred to as "lei" and many ancient and modern songs and chants refer
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