- Bash (GNU Bourne again shell), version >= 4.0
- coreutils
$BASH_LIB
— path to Bash library directory
1
— current shell is not Bash.2
— Bash version is not supported (less than 4.0).3
— packagecoreutils
is not installed.255
— Bash lib was not initialized.
_<lib>_<name>
— private variables._<lib>::<name>
— private functions._<lib>::init
— library initialization.