What does ${1+"$@"} mean in a unix shell script?
114539
${1:+"$@"} in /bin/sh
39695
What does "@" at the beginning of a command name mean?
138524
$* in bash scripting
142970
What does "@" signify in unix file permissions?
23983
What does the first character of UNIX mode string indicate?
54313
What is $() in a command?
157583
When to use bash ANSI C style escape, e.g. $'\n'
100299
Using dollar sign in shell scripting
111133
Difference between 'ls' and 'echo $(ls)'
34893
Is there a difference between the '&&' and ';' symbols in a standard BASH terminal?
42711
What does $$ mean in the shell?
909
What is this shell/Bash syntax: someVariable=someValue someCommand
23092
What does "$$" mean in the shell?
57007
What is the meaning of $? in a shell script?
54322
What is the difference between the "...", '...', $'...', and $"..." quotes in the shell?
106701
Bash: What does ">|" do?
103889
What does 2>&1 in this command mean?