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Question
In linux, in bash scripting, command expansion syntax can be either, for example: echo $(ls) , or equavilantly: echo [...]
Answer
`ls`
^^ note the use of the single backward quotes around ls

Question
In linux, in bash scripting, command expansion syntax can be either, for example: echo $(ls) , or equavilantly: echo [...]
Answer
?

Question
In linux, in bash scripting, command expansion syntax can be either, for example: echo $(ls) , or equavilantly: echo [...]
Answer
`ls`
^^ note the use of the single backward quotes around ls
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7. Shell Scripting
n factorial 20 and see the output. If we want to assign the output to a variable, we can do this with X=`factorial 20` . Note that another notation which gives the effect of a backward quote is <span>$( command ) , which is identical to ` command ` . Here, I will always use the older backward quote style. Next: 8. Streams and sed Up: rute Previous: 6. Editing Text Files Contents <span>

Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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