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When going through one shell script, i saw the term $? Check existence of input argument in a bash shell script asked 13 years, 11 months ago modified 1 year ago viewed 2.1m times What is the significance of this term?
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There are many shell implementations available, like sh, bash, c shell, z shell,. Furthermore, since the assignment is grouped with a command, it. How to represent multiple conditions in a shell if statement
Asked 14 years, 8 months ago modified 3 years, 4 months ago viewed 1.2m times
So if you only have one statement on a line then the Here shell is an alias for bash Chroma has something called session The shell is the program which actually processes commands and returns output
Most shells also manage foreground and background processes, command history and command line. A shell assignment is a single word, with no space after the equal sign So what you wrote assigns an empty value to thefile

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