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安裝中文字典英文字典辭典工具!
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Meaning of "=~" operator in shell script [duplicate] Asked 13 years, 2 months ago Modified 12 years, 3 months ago Viewed 96k times
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What does $# mean in shell? I have code such as if [ $# -eq 0 ] then I want to understand what $# means, but Google search is very bad for searching these kinds of things
- bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 11 months ago Modified 3 years, 5 months ago Viewed 647k times
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I understand the basic difference between an interactive shell and a non-interactive shell But what exactly differentiates a login shell from a non-login shell? Can you give examples for uses of
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Shell - "Shell" is a program, which facilitates the interaction between the user and the operating system (kernel) There are many shell implementations available, like sh, Bash, C shell, Z shell, etc
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I often come across $?, $0, $1, $2, etc in shell scripting I know that $? returns the exit status of the last command: echo quot;this will return 0 quot; echo $? But what do the others do? What
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When going through one shell script, I saw the term "$?" What is the significance of this term?
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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 editing
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