Write a command that will display files in the current directory, in a colored, long format.
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What is grep command in unix with examples?
what is kernel?
What is the use of the tee command?
Why is grep called grep?
what are filters?
How can i know my Filesystem and its current usage in my prod UNIX system?
How does a user get the current date, time in UNIX?
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 general format of unix command syntax?
Name the various commands that are used for the user information in unix.
Give the command to display space usage on the UNIX file system.
What is the first character of the output in ls l command?