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- What is the meaning of $? in a shell script? - Unix Linux Stack Exchange
When going through one shell script, I saw the term "$?" What is the significance of this term?
- 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
- bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 12 years ago Modified 3 years, 6 months ago Viewed 649k times
- 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
- Python - Activate conda env through shell script - Stack Overflow
I am hoping to run a simple shell script to ease the management around some conda environments Activating conda environments via conda activate in a linux os works fine in the shell but is proble
- 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
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