What does dir ? dir + "/" : "" mean?
70599
Question mark and colon in JavaScript
8906
What is /usr/bin/[ and how do I use it?
101128
What is "?:" notation in JavaScript?
20152
Why is moving directories to /dev/null dangerous?
35122
What's the meaning of a dot before a command in shell?
24686
What does `~/ ` mean?
13001
What does ./ mean?
116624
How to make `cd dir/filename` take me to dir/?
136549
Why ./home/Desktop is incorrect and ./Desktop is correct?
85806
Using slash (/) as an abbreviation
64177
What does $PATH mean?
36012
What is the difference between ./ and ../?
82369
What does #{...} mean?
111232
Why is there a file called [ in my /usr/bin directory?
114539
${1:+"$@"} in /bin/sh
28785
Explaining the contents of the ~/.profile file
158157
What does “{} \;” mean in find (in Linux)?