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What does $# mean in shell? - Unix Linux Stack Exchange 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
shell - Difference between sh and Bash - Stack Overflow 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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What do $? $0 $1 $2 mean in a shell script? - Stack Overflow 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
Difference between Login Shell and Non-Login Shell? 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
What is the difference between shell, console, and terminal? 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
How to echo shell commands as they are executed - Stack Overflow Special shell variables verbose If set, causes the words of each command to be printed, after history substitution (if any) Set by the -v command line option echo If set, each command with its arguments is echoed just before it is executed For non-builtin commands all expansions occur before echoing