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2

In one word: Modularity

Peschke
– Peschke

2017-02-23 23:58:01 +00:00
Commented Feb 23, 2017 at 23:58
2

/bin/pwd exists. I think cd would be a better example here of something that is impossible to implement as a separate tool.

Oskar Skog
– Oskar Skog

2017-02-24 06:07:20 +00:00
Commented Feb 24, 2017 at 6:07
1

@OskarSkog That was the point. cd has to be built in, pwd does not. So why did the bash implementors chose to include it?

Stig Hemmer
– Stig Hemmer

2017-02-24 08:30:57 +00:00
Commented Feb 24, 2017 at 8:30
1

... which is ground covered by unix.stackexchange.com/questions/145479 .

JdeBP
– JdeBP

2017-02-24 08:37:46 +00:00
Commented Feb 24, 2017 at 8:37
@StigHemmer /bin/bash does exist, but it is still a builtin. See the list of builtins at gnu.org/software/bash/manual/html_node/…

Stephen C
– Stephen C

2017-02-24 12:47:58 +00:00
Commented Feb 24, 2017 at 12:47

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Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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