Describe a command, for each name, indicate how it would be interpreted
if used as
a command name.
Syntax type [-atp] [name ...] Options If the `-t' option is used, type prints a single word which is one of: `alias' (shell alias) `function' (shell function) `builtin' (shell builtin) `file' (disk file) `keyword' (shell reserved word) If the `-p' option is used, type either returns the name of the disk file that would be executed, or nothing if `-t' would not return `file'. If the `-a' option is used, type returns all of the places that contain an executable named file. This includes aliases and functions, if and only if the `-p' option is not also used.
The return status is zero if any of the names are found, non-zero otherwise.
`type' is a BASH builtin command.
"In his errors a man is true to type. Observe the errors and you will know the man" ~ Analects
builtin - Run a shell builtin
env - Display, set, or remove environment variables
echo - Display message on screen
export - Set an environment variable
function - Define Function Macros
readonly - Mark variables/functions as readonly
set - Manipulate shell variables and functions
whereis - Report all known instances of a command
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