1 авг. 2020 г. · bash is a command interpreter, a shell, a program with an interface that interprets the commands that you put into it. When you call bash ...

25 июл. 2017 г. · $# is a special variable in bash, that expands to the number of arguments (positional parameters) ie $1, $2 passed to the script in question or the shell.

7 апр. 2015 г. · Code in '{}' is executed in the current thread/process/environment and changes are preserved, to put it more succinctly, the code is run in the current scope.

27 сент. 2015 г. · That means < redirects that file descriptor as input into a command. So very simple example would be to make process substitution of output from ...

6 окт. 2016 г. · Bash performs the expansion by executing the command in a subshell environment and replacing the command substitution with the standard output ...

4 июл. 2020 г. · $_ is a special parameter. It is used in a number of ways but, in your case, it refers to the last argument of the previous command.

18 авг. 2014 г. · Execute a simple command or display information about commands. Runs COMMAND with ARGS suppressing shell function lookup, or display information about the ...

5 янв. 2019 г. · The trailing & operator at the end of a command is used to put commands into background. This is actually a standard syntax specified by POSIX standard.

4 апр. 2014 г. · Command completion attempts to match the text against aliases, reserved words, shell functions, shell builtins, and finally executable filenames ...

25 янв. 2014 г. · Bash is a command processor, typically run in a text window, allowing the user to type commands which cause actions. Bash can also read commands ...