How can you see the command line history?
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What is the general format of unix command syntax?
What are the commands in UNIX to list the files in a Directory?
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<stdlib.h> # include <stdio.h> 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:
What is the use of the tee command?
Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?
What are grep patterns?
Why is shebang used?
what is virtual machine?
Give two UNIX kernel parameters that effect an Oracle install
What does awk stand for?
What is mtime in find command?
What is a Unix signal, and how do you handle them?