On 09/11/2013 05:01 PM, Joe Zeff issued this missive:
We all know, I hope, that cd is a built-in function of whatever shell
you're using.
[joe@khorlia ~]$ cat /usr/bin/cd
#!/bin/sh
builtin cd "$@"
[joe@khorlia ~]$
Does anybody know why this file exists?
I believe it's a backwards-compatibility thing. IIRC, System7's Bourne
shell didn't have a built-in "cd" command (or several others). Some
scripts probably still look for that file (and the others).
It's been superfluous for a long time, but time has proven that when you
take away something like that, eventually something breaks or someone
gripes about it.
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- Rick Stevens, Systems Engineer, AllDigital ri...@alldigital.com -
- AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 -
- -
- To err is human. To forgive, a large sum of money is needed. -
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