What command is used in a shell script to perform actions based on whether a particular condition is met or not?
while
case
for
if
The if command is used to execute conditional statements in a shell script, allowing the script to branch and perform different actions based on whether specified conditions are true or not. The while command is used for loops that continue as long as the condition is true. for is also a looping command but iterates over a list of values. case is used for matching a variable against a series of patterns, not specifically for a conditional statement.
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