Can you define "| |" to be the same as "Abs[ ]"?
59510
Is there a keybinding for absolute value?
145679
What's the difference between "$\to$" (implication) and "$\vdash$" (therefore)?
61874
Why does '/' have an '..' entry?
51241
\input and absolute paths
49762
Which is more idiomatic in a bash script: `|| true` or `|| :`?
146752
Why "ab(cd|c)*d" matches "abcdcdd" completely but "ab(c|cd)*d" does not match that? Whereas they're like each other
83053
Difference between [square brackets] and *asterisk
38906
What is the "-->" operator in C/C++?
113601
What is the difference between .*? and .* regular expressions?
28353
On what systems is //foo/bar different from /foo/bar?
38401
When should I use  or >()?
35796
Difference between 2>&-, 2>/dev/null, |&, &>/dev/null and >/dev/null 2>&1
25358
What is the differences between &> and 2>&1
88399
Placement of Condition /; expressions
44243
Question on operator: // N
118078
Why do I get empty graph when adding 'Abs' function?
127087
What does the "|" (single pipe) do in JavaScript?