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Which of the following is a legacy program provided by CUPS for sending files to the printer queues on the command line?
The lpr command is a legacy program provided by CUPS for sending files to the printer queues on the command line. It is one of the Berkeley (lpr) printing commands that CUPS supports for compatibility with other Unix-like systems. The lpr command accepts one or more filenames as arguments and sends them to the default or specified printer. It also supports several options to control the printing process, such as the number of copies, the page size, the orientation, and the priority. The lpr command is equivalent to the lp command, which is one of the System V (lp) printing commands that CUPS also supports. However, the lp command has more options and features than the lpr command, and is recommended for use with CUPS.Reference:
Command-Line Printing and Options - CUPS
Command-Line Printer Administration - CUPS
Linux cups tutorial for beginners - Linux Tutorials - Learn Linux ...
CUPS Command-Line Utilities - Configuring and Managing ... - Oracle
Which TWO statements about crontab are true?
A . It is true that every user may have their own crontab.This allows individual users to schedule tasks to be run at specific times without requiring administrative privileges1. C. The cron daemon does indeed reload crontab files automatically when necessary.This means that after editing a crontab file, there is no need to manually restart the cron service for the changes to take effect1.
107.2 Lesson 1 - Linux Professional Institute Certification Programs, which covers the automation of system administration tasks by scheduling jobs with cron.
The LPIC2 Exam Prep, which provides additional information on the LPIC-2 objectives and topics related to crontab and cron daemon.
How can a specific user be prevented from scheduling tasks with a i.?
Which mechanism does ggfe use to interact with the SSH agent?
Which of the following statements is valid in the file /etc/nsswitch.conf?
The statement hosts: files dns is valid in the file /etc/nsswitch.conf. It means that the system will use the local /etc/hosts file and the Domain Name System (DNS) to resolve host names to IP addresses. The order of the sources on the line determines the order in which they will be queried. In this case, the system will first check the /etc/hosts file for a matching host name, and if not found, it will query the DNS servers configured in /etc/resolv.conf. The other statements in the question are not valid in the /etc/nsswitch.conf file. The statement multi on is not a valid keyword or source for any database. The statement 192.168.168.4 dns-server is not a valid syntax for specifying a source or an action. The statement include /etc/nsswitch.d/ is not a valid way to include another file or directory in the /etc/nsswitch.conf file.Reference:
[LPI Linux Administrator - Exam 102 Objectives - Topic 109: Networking Fundamentals]
nsswitch.conf(5) - Linux manual page
What is the /etc/nsswitch.conf file in Linux -- TecAdmin
