Answer Posted / kalyani

!vi editor

What is the first character of the output in ls l command?

1210

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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:

2265

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How do you repeat a command in terminal?

1223

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What do chmod, chown, chgrp commands do?

1284

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What are the dos commands?

1257

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

1082

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What are reported commands?

1125

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What is the command to compare two files in unix?

1121

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What does grep v do?

1052

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Explain mount and unmount command.

1214

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

1212

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Describe the usage and functionality of the command rm –r * in unix?

2098

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What is the use of finger command?

1211

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What command will change your prompt to myprompt?

1323

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Which command is used to find whether the system is 32 bit or 64 bit?

1149

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