Linux ‘set’ Command: Environment Variables Cheatsheet
The set command in Linux is a built-in shell command that’s primarily used to set or unset the values of shell options and positional parameters. It’s a versatile command that can be used in a variety of ways, depending on the options and parameters you specify.

The Set Builtin (Bash Reference Manual)
If set, the return value of a pipeline is the value of the last (rightmost) command to exit with a non-zero status, or zero if all commands in the pipeline exit successfully.

SET Definition & Meaning - Merriam-Webster
The meaning of SET is to cause to sit : place in or on a seat. How to use set in a sentence.

Set - Wikipedia
Look up set in Wiktionary, the free dictionary. Science, Engineering & Technology, e.g. The Science, Engineering & Technology Student of the Year Awards. Search for "set" on Wikipedia.

Set Symbols - Math is Fun
We can list each element (or member) of a set inside curly brackets like this.

SET Definition & Meaning | Dictionary.com
The verbs set and sit1 are similar in form and meaning but different in grammatical use. Set is chiefly transitive and takes an object: Set the dish on the shelf.

SET | English meaning - Cambridge Dictionary
If a precious stone is set in/into a piece of jewellery, or a piece of jewellery is set with a precious stone, the stone is fixed firmly to the piece of jewellery:

Set
In contrast to the above, "the set of all young people who like ice cream," is not a well-defined set. "Young people" is an ambiguous term that doesn't specify age while the degrees to which people "like" ice cream cannot be quantified.

21-110: Sets - math.cmu.edu
The concept of a set is one of the most fundamental ideas in mathematics. Essentially, a set is simply a collection of objects. The field of mathematics that studies sets, called set theory, was founded by the German mathematician Georg Cantor in the latter half of the 19th century. Today the concept of sets permeates almost all of modern mathematics; almost every other mathematical concept ...

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