單項(xiàng)選擇題

Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）

A.5 0 * * 6 /usr/local/bin/myscript
B.6 * * 5 0 /usr/local/bin/myscript
C.0 5 * * 6 /usr/local/bin/myscript
D.0 5 6 * * /usr/local/bin/myscript

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單項(xiàng)選擇題

A System p administrator wants to NFS mount a filesystem from server "alpha" to server "bravo".
Which of the following commands should be issued from "bravo" to determine which filesystems are being exported by server "alpha"（）

A.lsexport alpha
B.showmount -e alpha
C.exportfs -l alpha
D.mount -e nfs alpha

單項(xiàng)選擇題

A System p administrator wishes to create a template file to monitor performance. Having found a template from January，
how can the administrator create a July template without destroying the original January version （）

A.vi jan.template ：%s/Jan/Jul/g ：w jul.template ：q!
B.cat jan.template sed s：Jan：Jul： > jan.template
C.vi jan.template ：1，$ replace Jan Jul [Esc] ZZ
D.vi jan.template ：w jul.template ：1，$ s/Jan/Jul/g ：q!

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Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）

你可能感興趣的試題

A System p administrator wants to NFS mount a filesystem from server "alpha" to server "bravo". Which of the following commands should be issued from "bravo" to determine which filesystems are being exported by server "alpha"（）

A System p administrator wishes to create a template file to monitor performance. Having found a template from January， how can the administrator create a July template without destroying the original January version （）

A System p administrator wants to NFS mount a filesystem from server "alpha" to server "bravo".
Which of the following commands should be issued from "bravo" to determine which filesystems are being exported by server "alpha"（）

A System p administrator wishes to create a template file to monitor performance. Having found a template from January，
how can the administrator create a July template without destroying the original January version （）