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.

What is command statement?

1102

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1122

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

1172

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What do chmod, chown, chgrp commands do?

1221

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1131

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982

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1081

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1125

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1091

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What is ctrl d?

1042

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Why is it called a shebang?

1082

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Which command is used to restrict incoming messages?

1042

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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:

2200

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Which command is used to create a directory?

1090

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What is used to type command?

1004

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