What is mean by $_ , It may used like thismkdir testdirectory;cd $_It will redirect to the new directory testdirectoryif i use like this , echo $_ It shows testdirectoryWhich means previously created directory.Actually what it means, I don't know really
What is mean $_
shell
what it means, I don't know really$_ means the last argument to the previous command.Example:echo FOO BARFOO BARecho $_BARRead more here.