What does shebang mean in unix?

960

Explain the following statement, “it is not advisable to use root as the default login.”

918

What is unix operating system and its features?

978

What is the role of the kernel in unix?

1073

What is a directory?

1020

What is the command to view process running?

1153

Explain what are the main families of threads?

1153

What is ln(linking)?

1081

What are drawbacks of ssh v2?

1032

What is the best free unix based os?

985

Explain about unix basic commands

5

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:

2313

Describe a link in unix.

1600

How the Kernel handles the copy on write bit of a page, when the bit is set?

970

What are the features and benefits of unix?

976