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The shells bash, zsh and PowerShell offer this as a specific feature. [72] [73] Shells which do not offer this as a specific feature may still be able to turn off echoing through some other means. Shells executing on a Unix/Linux operating system can use the stty external command to switch off/on echoing of input characters. [74]
PyPy (/ ˈ p aɪ p aɪ /) is an implementation of the Python programming language. [2] PyPy often runs faster than the standard implementation CPython because PyPy uses a just-in-time compiler. [3] Most Python code runs well on PyPy except for code that depends on CPython extensions, which either does not work or incurs some overhead when run ...
Dash lacks many of the features one would expect in an interactive shell, which allows it to be faster and more memory efficient than Bash." February 14, 2011 (): Bash 4.2 is released. [56] 2012 () On Solaris 11, "the default user shell is the Bourne-again (bash) shell." [57] 2013 () POSIX-2013 is released by the IEEE. [58] 2014 ()
Tcl, Perl, Rexx, and Python have graphics toolkits and can be used to code functions and procedures for shell scripts which pose a speed bottleneck (C, Fortran, assembly language &c are much faster still) and to add functionality not available in the shell language such as sockets and other connectivity functions, heavy-duty text processing ...
Python 3.11 claims to be between 10 and 60% faster than Python 3.10, and Python 3.12 adds another 5% on top of that. ... Gentoo Linux uses Python in its package ...
In computing, a shell builtin is a command or a function, called from a shell, that is executed directly in the shell itself, instead of an external executable program which the shell would load and execute.
Amdahl's law applies only to the cases where the problem size is fixed. In practice, as more computing resources become available, they tend to get used on larger problems (larger datasets), and the time spent in the parallelizable part often grows much faster than the inherently serial work.
In this context, the term script refers to a small program in such a language; typically, contained in a single file, and no larger than a few thousand lines of code. The scope of scripting languages ranges from small to large, and from highly domain-specific language to general-purpose programming languages. A language may start as small and ...