Which command should you use to find the remaining disk space in unix server?

971

What is the difference between cat and more command?

902

How to use grep command to list find the records of a file containing 10 different strings?

840

What is unix kernel?

684

Is unix portable?

748

What is unix and shell scripting?

753

What is unix directory structure?

682

How does unix pipe work?

735

How to make a new directory in unix?

721

What is unix for?

701

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:

1974

Name the general commands in using unix os for a beginner?

804

What are shell variables?

667

Explain the importance of directories in a unix system

831

What is socket programming in java?

642