單項選擇題將程序掛起的組合鍵正確的是()

A.ctrl+d
B.ctrl+c
C.ctrl+l
D.ctrl+z


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1.單項選擇題Tomcat默認端口是()

A.8000
B.8080
C.80
D.8800

2.單項選擇題將apache配置文件中的端口號直接修改為8080,可用()

A.grep’s/listen.*/listen8080/’/etc/httpd/conf/httpd.conf
B.sed-i’s/listen.*/listen8080/’/etc/httpd/conf/httpd.conf
C.sed’/listen.*/d’/etc/httpd/conf/httpd.conf
D.sed-n’/listen.*/p’/etc/httpd/conf/httpd.conf

4.單項選擇題在expect中,設(shè)置expect的等待超時時間為30s,可用()

A.set timeout 30
B.set date 30
C.set 30
D.send timeout 30