The select command in Linux is a versatile tool primarily used for menu creation in bash scripts. The command retrieves data from a specified list, which can be an array or other data source, and ...

FFmpeg was designed as a cross-platform solution for video and audio recording, conversion, and streaming using simple static command lines. Using variables and 'for loops' in a command string ...

But when the script exits, the new copy of bash is gone and the old copy sees the same old PATH it always did. Sometimes, this is a benefit, similar to “call by value” in other languages.