Which command can be used to mount 'Windows C: disk (hda1)' in the /winsys directory:
A.
B. mount dev/hda1 /winsys
C. B.
D. mount /dev/hda1 /winsys
E. C.
F. mount winsys /dev/hda1
G. D.
H. mount /winsys /dev/hda1
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Users 'user1' and 'user2' both belong to the users' group. The file 'file1' belongs to 'user1'. If 'user2' wants to modify this file, which permission of file1 can guarantee the successful modification.
A. 744
B. 664
C. 646
D. 746
The following is the output of ls -al, which one is the symbolic link file:
A. -rw------- 2 hel users 56 Sep 09 11:05 goodbye
B. drwx----- 1 hel users 1024 Sep 10 08:10 zhang
C. lrwx----- 1 hel users 2024 Sep 12 08:12 cheng->goodbye
D. -rw------- 1 hel users 56 Sep 09 11:05 hello
The following is the output of ls -al, which one is a directory file:
A. -rw------- 1 hel users 56 Sep 09 11:05 hello
B. -rw------- 2 hel users 56 Sep 09 11:05 goodbye
C. drwx----- 1 hel users 1024 Sep 10 08:10 zhang
D. lrwx----- 1 hel users 2024 Sep 12 08:12 cheng->goodbye
The following is the output of ls -al, which one is a hard link file:
A. -rw------- 1 hel users 56 Sep 09 11:05 hello
B. -rw------- 2 hel users 56 Sep 09 11:05 goodbye
C. drwx----- 1 hel users 1024 Sep 10 08:10 zhang
D. lrwx----- 1 hel users 2024 Sep 12 08:12 cheng->goodbye
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