linux - What does $@ mean in a shell script? - Stack Overflow
Apr 3, 2012 · The shell splits tokens based on the contents of the IFS environment variable. Its default value is \t\n; i.e., whitespace, tab, and newline. Expanding "$@" gives you a pristine …
What is the $? (dollar question mark) variable in shell scripting?
The shell treats several parameters specially. These parameters may only be referenced; assignment to them is not allowed. [...]? Expands to the exit status of the most recently …
What does $# mean in shell? - Unix & Linux Stack Exchange
You can always check the man page of your shell. man bash says: Special Parameters # Expands to the number of positional parameters in decimal. Therefore a shell script can check …
What is the meaning of $? in a shell script? - linux
This latter usage is faster, does not contaminate the shell's variable namespace with what amounts to temp variables, can often be a lot more readable for humans and encourages the …
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
What is the difference between =, == and -eq in shell scripting? Is there any difference between the following?
shell - What is the "eval" command in bash? - Unix & Linux Stack …
In shell terminology, eval is a built-in, not a function. In practice, built-ins behave a lot like functions that don't have an in-language definition, but not quite (as becomes apparent if you …
shell - How can I edit the $PATH on linux? - Super User
It depends on the shell you're using. On Solaris (I know the question is about Linux) one of the shells (can't remember which one off the top of my head) requires that you do the export …
How do I replace the system shell (explorer.exe) with another …
(Optional) Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon and change Shell string from default explorer.exe to something …
How can I get the real path of Desktop in Windows Explorer?
Oct 7, 2019 · This has bothered me for ages, and I could not find the solution yet. Open Windows Explorer. Click on Desktop in the left sidebar. Click on "Desktop" in the address …
shell - Difference between sh and Bash - Stack Overflow
Dec 14, 2024 · 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, …