How do I find previous commands in unix?

973

Give the command for finding the current date.

898

What does this command do,"$more readme.txt“?

997

What is the use of awk command in unix?

923

What will the following command do?

952

What is the command to find maximum memory taking process on the server?

1023

What is grep command in unix with examples?

997

How do I clear my terminal history?

951

How many unix commands are there?

958

What does this command do? Cat food 1 > kitty

1385

What is nr in awk command?

947

What is the behavioural difference between cmp and diff commands?

1036

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:

2108

Which unix command to make a new directory?

950

Is it inbetween or in between?

920