92.将文件file的创建者改为user的命令是
A: chmod user file
B: chgrp user file
C: chowm user file
D: chown file user
A: chmod user file
B: chgrp user file
C: chowm user file
D: chown file user
举一反三
- 在Linux环境下,将当前目录下的文件file的所属组改为student的命令是( ) A: chown student file B: chmod<br/>student file C: chown<br/>.student file D: chgrp<br/>student file E: chgrp<br/>.student file
- 假设需要导出某个表table1，只导出表结构，不导出数据，可以使用如下（）命令。 A: EXP user/pwd tables=（name,table1）file=export.dmp Rows=y B: EXP user1/pwd table table1 file=extable1.dmp C: EXP user/pwd tables=（name,table1）file=export.dmp Rows=n D: EXP user1/pwd table=table1 file=extable1.dmp Rows=
- file文件的权限是rw-r—r--，能将其改为rwxr--r—的命令是( ) A: chmod 744 file B: chmod u+x file C: chmod u=rwx file D: chmod a+x file
- A user’s print jobs default to PRINTER_A.The user wants to change their default printer to PRINTER_B.How can the system administrator change the user’s default printer to PRINTER_B？（） A: Execute the command ’piobe -q PRINTER_B’ B: Edit the user’s stanza in the /etc/qconfig file C: Execute the command ’chuser -a QUEUE=PRINTER_B user’ D: Add the line ’export PRINTER=PRINTER_B’ to the user’s .profile
- centos 为实现文件file只读，且无法删除，可利用__________命令修改文件的隐藏属性来实现 A: chmod 400 file B: chattr +i file C: chattr +a file D: chown +i file