A. The data file is checked for physical corruption and backed up if found clean.
B. The backup of data file 5 is performed and the interactive messages during the backup are suppressed.
C. The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup.
D. The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed
第1题:
A. ./script.ksh
B. nohup ./script.ksh
C. run -b ./script.ksh
D. ./script.ksh > nohup.out
第2题:
如何将tmp目录下名字以script字样打头,紧接两个任意字符,以.sh结尾的文件的访问权限改成文件拥有者有全部权限,从属组用户有读选项,其他用户无权限
A.chmod 740 /tmp/script??.sh
B.chmod 740 /tmp/script**.sh
C.chmod 750 /tmp/script?.sh
D.chmod 750 /tmp/script*.sh
第3题:
要将tmp目录下名字以script字样打头,紧接两个任意字符,以.sh结尾的文件的访问权限改成700,下面哪种做法是正确的?
A.chmod 700 /tmp/script??.sh
B.find /tmp -name "script??.sh" -exec chmod 700 {} ;
C.chmod 700 /tmp/script**.sh
D.chmod 700 /tmp/script[??].sh
E.chmod 700 /tmp/script[**].sh
F.find /tmp -name "script**.sh" -exec chmod 700 {} ;
第4题:
A. myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err
B. myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err
C. myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err
D. myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err
第5题:
PHP脚本由哪个分隔符包围_____?
A....
B.< script>...< /script>
C.< ?php…? >
D.< &>...< /&>
第6题:
16、要将tmp目录下名字以script字样打头,紧接两个任意字符,以.sh结尾的文件的访问权限改成700,下面哪种做法是正确的?
A.chmod 700 /tmp/script??.sh
B.find /tmp -name "script??.sh" -exec chmod 700 {} \;
C.chmod 700 /tmp/script**.sh
D.chmod 700 /tmp/script[??].sh
E.chmod 700 /tmp/script[**].sh
F.find /tmp -name "script**.sh" -exec chmod 700 {} \;