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  2. One-liner program - Wikipedia

    en.wikipedia.org/wiki/One-liner_program

    Some magazines devoted regular columns solely to impressive short and one-line programs. [2] The word One-liner also has two references in the index of the book The AWK Programming Language (the book is often referred to by the abbreviation TAPL). It explains the programming language AWK, which is part of the Unix operating system. The authors ...

  3. true and false (commands) - Wikipedia

    en.wikipedia.org/wiki/True_and_false_(commands)

    The null command may take parameters, which are ignored. It is also used as a no-op dummy command for side-effects such as assigning default values to shell variables through the ${parameter:=word} parameter expansion form. [2] For example, from bashbug, the bug-reporting script for Bash: : $

  4. For loop - Wikipedia

    en.wikipedia.org/wiki/For_loop

    For loop illustration, from i=0 to i=2, resulting in data1=200. A for-loop statement is available in most imperative programming languages. Even ignoring minor differences in syntax, there are many differences in how these statements work and the level of expressiveness they support. Generally, for-loops fall into one of four categories:

  5. Bash (Unix shell) - Wikipedia

    en.wikipedia.org/wiki/Bash_(Unix_shell)

    When a user presses the tab key within an interactive command-shell, Bash automatically uses command line completion, since beta version 2.04, [47] to match partly typed program names, filenames and variable names. The Bash command-line completion system is very flexible and customizable, and is often packaged with functions that complete ...

  6. Shell script - Wikipedia

    en.wikipedia.org/wiki/Shell_script

    One example of this is Bash, which offers the same grammar and syntax as the Bourne shell, and which also provides a POSIX-compliant mode. [13] As such, most shell scripts written for the Bourne shell can be run in BASH, but the reverse may not be true since BASH has extensions which are not present in the Bourne shell.

  7. Shell (computing) - Wikipedia

    en.wikipedia.org/wiki/Shell_(computing)

    In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is the outermost layer around the operating system. [1] [2]

  8. The 9 Best Grocery Items for Weight Loss, According to ... - AOL

    www.aol.com/9-best-grocery-items-weight...

    One tablespoon contains 14 grams of healthy fat—including mono- and polyunsaturated types, which help keep cholesterol levels in check and protect against heart disease. "Just a little bit of ...

  9. While loop - Wikipedia

    en.wikipedia.org/wiki/While_loop

    first checks whether x is less than 5, which it is, so then the {loop body} is entered, where the printf function is run and x is incremented by 1. After completing all the statements in the loop body, the condition, (x < 5), is checked again, and the loop is executed again, this process repeating until the variable x has the value 5.