What does touch command do in unix?

1442

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:

2278

What is {} in find command?

1120

What does the md command do?

1163

What is unix command?

1272

Which command is used to restrict incoming messages?

1119

What does grep v grep do?

1095

What does the command '$ls | wc –l > file1' do?

1257

How do I use grep to search for a file?

1069

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

1175

What do know about tee command and its usage?

1199

Why is shebang used?

1143

How can we use grep command in unix?

1222

What is the nmap command?

1200

What is command statement?

1188