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359

answers:

1
+2  Q: 

How to find the return value of last executed command in UNIX?

How to find the return value of last executed command in UNIX?

+6  A: 

You can use the shell valiable "$?" (without the quotes, of course).

Such as:

ghostdog$ true ; echo $?
0
ghostdog$ false ; echo $?
1
ghostdog74  2009-07-14 05:54:48
The answer includes the question mark.
GreenReign  2009-07-14 05:57:12
Clarified, added an example and upvoted.
paxdiablo  2009-07-14 06:17:31

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