Linux OS Management Question:

Which represents the user home directory:
a) /
b) .
c) ..
d) ~

d) ~

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Which option of rmdir command will remove all directories a, b, c if path is a/b/c: a) -b b) -o c) -p d) -t	If a file is removed in Unix using 'rm' then: a) The file can be recovered by a normal user b) The file cannot be recovered by a user c) The file can be fully recovered provided the sytem is not rebooted d) The file will be moved to /lost+found directory and can be recovered only by administrator's intervention