Answer Posted / anandhi

$rm –rf .??*


With the option –rf and the use " .??* " will remove/delete
all hidden files/directory. The initial " . " indicates
a 'hidden' file and the " ?? " match at least two
characters to exclude the parent-directory which is " .. "
and to remove or delete everything the " * " will match all
number or characters that used for files or directory name.

Can you enlist some commonly used network commands?

1121

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Explain the steps that a shell follows while processing a command.

1239

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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:

2273

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How can you see the command line history?

1144

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What is $0 bash?

1209

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What does the command '$ls | wc –l > file1' do?

1237

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What is the use of cut command in unix?

1379

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Give the command for finding the current date.

1121

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Why is shebang used?

1134

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How do I search a whole word in vim?

1181

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What is the difference between cat and more command?

1304

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What does grep v grep do?

1084

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What do chown command do?

1200

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How do I use nslookup?

1099

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What are the unix commands?

1100

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