$0 in Shell Scripting
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What is $0 in Shell Scripting?
In shell scripting, $0 is a special variable that holds the name of the script being executed. It essentially represents the command used to invoke the script. This can be the script's filename, or if the script was invoked with a path, it will contain that path. $0 is useful for identifying the script itself within the script's code, for example, in logging or error messages.
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More in stage 19: Script Arguments
$0 in Shell Scripting: common questions
Can I learn $0 in Shell Scripting in Hindi?
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Is this $0 in Shell Scripting tutorial for beginners?
It is lesson 95 of 166 in the free Shell / Bash roadmap, in stage 19, Script Arguments. If you are new to Shell / Bash, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.