Answer Posted / chandan

df -h

Why is grep called grep?

1301

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How do I search for text in vi?

1048

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What is the use of the command 'ls -x chapter[1-5]' ?

1216

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What do chmod command do?

1227

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What is ‘ps’ command for?

1187

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What is the nmap command?

1192

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What is updatedb?

1054

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Name the various commands that are used for the user information in unix.

1090

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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:

2271

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What is the function of grep command in unix?

1187

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How many unix commands are there?

1158

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1409

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How do I clear my terminal history?

1173

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What does awk stand for?

1085

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What are file commands?

1234

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