11–20 CompTIA Linux+ Certification, Powered by LPI
Unit summary: File sharing and printing
Topic A In this topic, you learned that NFS, the Network File System, enables you to share and
access file systems across the network. You installed the NFS daemons, configured
NFS, then exported a file system. Next, you mounted and used a remote file system.
You also managed NFS exports using commands such as
showmount and exportfs.
Topic B In this topic, you learned that Linux enables printing through the LPR/LPD system,
application-specific printing systems, and CUPS, the Common Unix Printing
System. You configured CUPS, created a printer, and then managed the print queue,
print jobs, and the printer itself.
1 True or false? NFS is a Linux-specific file sharing technology.
False. It was developed for UNIX and is available for many operating systems, including
2 NFS is available in two packages, the kernel and user-space versions. Which should
you use and why?
Use the kernel version for greater stability, faster operations, and more features.
3 What file do edit to permit a specific host to mount an exported file system?
4 In the /etc/exports file, you find an entry that includes 192.168.1.0/255.255.255.0 as
the computer entry. What hosts are permitted to mount the file system?
Any on the 192.168.1.0 subnet.
5 In the /etc/exports file, you find an entry that includes gss/krb5i as the computer
entry. What hosts are permitted to mount the file system?
Any clients running rpcsec_gss security.
6 In the /etc/exports directory, which option do you use to export a file system
securely, so that users could not change the files within?
7 What command do you use to view current connections to your exported file
Use the showmount command.
8 What is a queue?
A queue is a holding place for jobs waiting to be printed.
9 Sending a job to the queue is called ___________.