OR Statement in shell scripts
|| is known as OR statement in shell script.
Eg:
# id user1 || useradd user1
In the above example if the user1 exist in the system the second command will not be executed. If the user1 does not exist second command will be executed.
If first command returns true second will not exist run. if the command is false second will be executed.
AND Statement in shell scripts
Eg:
&& is known as AND in shell script
# [ -d /tmp/test ] && rm -rf /tmp/test
|| is known as OR statement in shell script.
Eg:
# id user1 || useradd user1
In the above example if the user1 exist in the system the second command will not be executed. If the user1 does not exist second command will be executed.
If first command returns true second will not exist run. if the command is false second will be executed.
AND Statement in shell scripts
Eg:
&& is known as AND in shell script
# [ -d /tmp/test ] && rm -rf /tmp/test
If the first command is true the second command will be executed. If the first
false second command second will not executed.
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