Explain the architectural differences between user-space threads, and kernel-supported threads?

925

Which command is used to find whether the system is 32 bit or 64 bit?

1088

What is difference between grep and find command in unix?

1152

Am using Mac OS 10.4.11 on an Imac (PPC) Internal hard disk got named disk0s3 and will not mount. What commands can be used in TERMINAL to rename the internal hard disk to C96?

2565

What unix is mac os based on?

864

Is learning unix useful?

901

What is unix operating system explain various components of unix operating system?

838

What is the difference between read() and recv()?

1915

What is the difference between cat and more command?

1238

The very first process created by the kernel in unix is?

812

How do you start and stop services in unix without using admin console?

1012

What are hidden files in unix?

939

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

2214

What language is unix written?

895

What are the entities that are swapped out of the main memory while swapping the process out of the main memory?

969