单选题Using vi, you want to save changes to the file myfile with :w!, but vi complains it cannot write to the file. Therefore, you want to check the write permissions on the file. To do this without leaving vi, you type:()A :!ls-I myfileB :/ls-l myfileC esc :Is -I myfileD :?ls-l myfile
单选题
Using vi, you want to save changes to the file myfile with :w!, but vi complains it cannot write to the file. Therefore, you want to check the write permissions on the file. To do this without leaving vi, you type:()
A
:!ls-I myfile
B
:/ls-l myfile
C
esc :Is -I myfile
D
:?ls-l myfile
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