What is the output when the following shell script executes?()
cat<;<;foobar
Hello foobar
foobar
A. The contents of the file foobar.
B. Hello
C. No output but a file named foobar is created.
D. Hello foobar
E. Hello foobar foobar
您可能感兴趣的试卷
你可能感兴趣的试题
A. Idconfig
B. Idd
C. libpath
D. newlibs
A. You need to rebuild the kernel.
B. You need to upgrade the kernel
C. You need to load the USB modules for your existing modular kernel.
D. USB support is not available in Linux.
A. chmod 557 /bin/foo
B. chmod o+rwx.a+rx/bin/foo
C. chown 557 /bin/foo
D. chmod 755/bin/foo
A. SCSI-1 supports only 8 devices including the adaptor.
B. SCSI-1 supports only 6 disks per adaptor.
C. There is a SCSI-ID conflict that causes that problem.
D. You forgot to set the SCSI-ID #8 for the new disk.
A. Run ext2fs ACL.
B. Use a hard link.
C. Use a symbolic link.
D. Use the loopback device.
E. Create a block device offset.
A. cut -d: -f 1,3 /etc/passwd
B. chop -c 1,3 /etc/passwd
C. tac 1-3/etc/passwd
D. fmt -u /etc/passwd
A. the Fonts section
B. the Files section
C. the xfsCodes section
D. the Graphics section
E. the modeline section
Given the following output: prompt> myapp
[1]+ Stopped myapp prompt>
Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt?()
A. bg myapp
B. continue myapp
C. exec myapp
D. fg myapp
E. myapp &
A. nouidchk
B. alluser
C. user
D. auto
最新试题
Given the following output: prompt> myapp [1]+ Stopped myapp prompt> Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt?()
To allow a regular user account to mount and unmount a filesystem (for instance, a cdrom or floppy), which option need to be added to the corresponding line in /etc/fstab?()
Which of these commands allows you to use shared libraries that are in /usr/local/lib?()
What does the Filesystem Hierarchy Standard enable? ()
You have just added a CD.ROM drive (/dev/hdd) to your system and have added it to yourfstab. Typically you can use which of the following commands to mount media in that drive to /mnt/cdrom?()
What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?()
Which Debian package system command will list all partially installed packages and suggest how to get them correctly installed?()
Which command (without options) would you use to display how much space is available on all mounted partitions?()
Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes. What command entered into a bash initialization file will have bash recognize vi keystrokes after login?()
Which system administration command you can use to update Id.so.cache after the installation of new shared libraries?()