I don't understand this diagram of fork()?

How we can get this process with this condition??schema of process? int main (int argc, char **argv) { in...

How to make a specific process tree using fork()?

Process Tree: I want to make a process tree like the picture above. I wrote below code but if you look the PIDs, ...

unix diff side-to-side results??

How can I plot the results of a unix diff command side-to-side instead of one difference after the other? See below ...

nc command: inverse host lookup failed: Unknown host?

nc works fine when i execute it on a VM. Connection to 10.0.0.10 22 port [tcp/ssh] succeeded! But when I execute ...

How to get a file in Windows with a colon in the filename??

I am getting errors from customers who are uploading files with a colon in the file name, i.e. C:/uploads/test : doc...

How can I check if a directory exists in a Bash shell script??

What command can be used to check if a directory exists or not, within a Bash shell script? ...