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GeekInterview.com > Interview Questions > Operating System > Shell Scripting
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Question: Shell Scripting Commands
Answer: In shell scripting How to indentify that the previous command was run successfully? |
| May 05, 2009 05:48:35 |
#1 |
| garima2k1 |
Member Since: May 2009 Total Comments: 1 |
RE: Shell Scripting Commands
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If a command is executed successfully then the exit status of a command is 0. We can test whether a command is execute successfully or not by writing 2 line
[ command_name ] # command_name is any unix command
echo $?
# $? contains success/failure of the last command that has been executed |
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