The system-calls tag has no wiki summary.
14
votes
4answers
1k views
How to understand pipes
When I just used pipe in bash, I didn't think more about this. But when I read some C code example using system call pipe() together with fork(), I wonder how to understand pipes, including both ...
8
votes
1answer
2k views
What's the difference between fork() and vfork()?
I would like to understand in detail the difference between fork() and vfork(). I was not able to digest the man page completely.
I would also like to clarify one of my colleagues comment "In ...
4
votes
4answers
1k views
What is the difference between a Library call and a System call in Linux?
I would like to know what is the difference between a Library call and a System call in Linux. Any pointers for a good understanding of the concepts behind both will be greatly appreciated.
3
votes
3answers
32 views
How can you change the process name of Wing IDE from python to something more descriptive
In my process list under Ubuntu (using top/System Monitor) one of the largest memory hogs (200+Mb) was python. I searched a bit for one of my programs to be the cause until I realised this was my ...
3
votes
3answers
198 views
Command to trace rsh server to check behaviour of particular system call
I am working with rsh. I want to check the whole process from beginning to end. For that I used strace.
Os name is CentOS. I am working on single machine, server and client are on same machine.
My ...
3
votes
4answers
1k views
Understand error codes in Linux
I am working on Linux (Kernel Version 2.6.32.28) laptop.
After I inserted/did file io/removed a SD combo card, I got following errors:
mmcblk0: error -123 sending status command
mmcblk0: error ...