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compgen:tldr:684d4
compgen: See all available commands/aliases starting with 'ls'.
$ compgen -ac ${ls}
try on your machine
The command "compgen -ac ${ls}" is a combination of two separate commands - "compgen" and "ls". Let's break it down:
-
"ls" is a command used to list files and directories in the current directory. It is not necessary in this context and can be removed to make the command "compgen -ac".
-
"compgen" is a command used to generate possible completions for a given word or command. It is often used in conjunction with shell tab completion to suggest available options or commands.
In the given command "compgen -ac", it has the following options:
- "-a" option stands for "aliases" and lists all defined shell aliases.
- "-c" option stands for "commands" and lists all available commands.
When this command is executed, it will list all the defined aliases and available commands in the current shell environment.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.