1. 1 file named rr. Z can be used to decompress the command ().
sailor
gzip
compress
decompress
1.2 can end the process command ()
kill
ctrl+c
switch an electrical device off
stop
The command to archive files under 1.3 Linux is: (multiple choices)
Deadline Date (abbreviation for deadline date)
sailor
vitality
Unzip ...
The 1.4 command is used for Linux to check the files in the current directory 30 days ago and move them to /dev/null: (multiple choices).
Find it. -mtime 30-type f xargs mv { }/dev/null；
Find it. -mtime+30-type xargs mv { }/dev/null；
Find it. -mtime+30 type f-exec mv {}/dev/null;
Find it. -mtime+30 F-Execrm–RF {};
1.5 dstat is similar to which of the following commands?
vmstat
special administrative region
iotop
alphabet
1.6 rpm installation software parameters
rpm-ivh
rpm-Ivh
rpm-Uvh
rpm-Iuvh
1.7 yum upgrade package option
rpm-uvh
rpm-Uvh
1.8 What is the command to view network traffic?
iftop
nsload
ifstatd
All the above commands are acceptable.
1.9 command to stop the process, who else will be killed?
pkill
Kira
allkill
None of the above commands are correct.
What are the commands to transfer files between 1. 10 servers?
wget
single cell protein
File Transfer Protocol (abbreviation for file transfer protocol)
All the above commands are ok.
1. 1 1 The command to archive files is
Deadline Date (abbreviation for deadline date)
cpio
gzip
sailor
1. 12 In the rpm command, the parameter used to install the new rpm package software is ().
[plural of nouns from Latin ending in -us]
-v
-h
-e
In the 1. 13du command, the parameter for displaying information in a friendly way is ().
-h
-f
[Ancient names or Latin modern names of animals and plants]
Equivalent to -ED
1. 14 archive and compress the /home/stud 1/wang directory, and generate a file after compression. Save the file in the /home directory to realize the tar command format of this task.
tar zxvf/home/stud 1/Wang . tar . gz/home/Wang
Tar xcvf/home/stud 1/ Wang /home/ Wang.
Tar zcv/home/stud 1/ Wang /home/ Wang
tar zcff/home/stud 1/Wang/home/Wang . tar . gz
Commands and actions that can be used to terminate foreground processes ()
B:CTRL+C
C: turn it off
D: stop
1. 16 To shut down the Linux system without restarting, you can use the command ().
A: Ctrl+Alt+Del
B: Stop.
C: turn it off now
D: restart
1. 17 In the following expressions, _ _ does not belong to the ifconfig command.
A: Configure the local loopback address.
B: configure the IP address of the network card.
Activate the network adapter
D: Load the network card into the kernel.
1. 18 Regarding archiving and compression commands, the following description is correct ().
A: Decompress the compressed file with suffix. Zip files generated by the compress command and uncompress command.
B:upzip command and gzip command can extract the same type of files.
C: tar archives its compressed file, which can be decompressed by gzip command.
The file archived by the d: tar command is also a compressed file.
1. 19 terminates the commands and operations that the foreground process may use.
kill
ctrl+c
shut down
stop
1.22 In order to extract myftp and tar from the current directory into the /tmp directory, users can use the command.
tar xvzf myftp.tgz-C/tmp
tar xvzf myftp.tgz-R/tmp
tar vzf myftp.tgz-X/tmp
Tal xvzf myftp.tgz/tmp
1.23 What's wrong with the following command about checking linux system load?
Uptime command is mainly used to obtain host running time and query linux system load and other information.
The vmstat command can view the cpu load.
Sar command can view network interface information.
The free command can check the disk load.
1.24 Which of the following methods/commands can't check whether ip is reachable?
remote login
thump
tracert
top
What are the parameters of the decompressed 1.25 tar command? -v-x-c-f
1.26 Which of the following commands is not used to check network faults?
remote login
thump
initialization
netstat
1.28 In order to know who is registered on your machine, you can use the command: _ _ _
Who uses fingers to ping?
1.29 To check the MAC addresses of other computers in this network segment, you can ping the other host first, and then;
arp-g
arp-n
arp-a
arp-d
1.30 14 What is the output time of date+%y%m%d%H%M at 2pm?
20 17 1 1 14 12 12
17 1 1 14 12 12
20 17 1 1 14 12
20 17 1 102 12 12
1.3 1 Which of the following commands can get the thread running status of 1487 process ()?
top-Hp 1487
top-Pp 1487
ps-mp 1487
sat-p 1487
1.32 search the log file alert.log from /home/oracle. Which of the following ways can achieve the purpose of ()?
Find/home. /oracle name alert.log
Find alert.log
Find it. /-time7alert.log
find/home/oracle-exec alert.log
1.34 Which of the following commands can be used to test whether port 80 of a specific host in the network can be accessed ()?
Ping telnet netstat lsof
fill (up) a vacancy
2. 1 What command is used to test the connectivity of hosts in the network?
2.2 how to check whether numa is closed _ * * _
2.3 archive and compress the /home/stud 1/wang directory, generate a file after compression, and save the file in the /home directory to realize the tar command format of such a task.
2.4 A process uses port 700 1. How to quickly find the PID of this process?
2.5 the command to end the background process is * * _ * *
2.6 archive and compress the /home/studl/wang directory, generate files after compression, and save them in the /home directory to realize the tar command format of this task * * * * * * * * _ * *.
2.7 command to ping100 packet-
2.8 Under Linux, the command to extract bz2 format files is * * _ * *.
2.9 Under Linux, the command to check the network connection status is * * _ * *.
2. 10 The command to view the file system in Linux is _ _, and the command to display the disk occupied by the directory or file is _ _.
2. 1 1 Usually we use the ping command to test the network connection, which works through the _ _ _ _ protocol.
2. 12 Briefly describe the respective functions of the following commands.
Network management command line tool
dig
top
traceroute
2. 13 archive compresses the /home/stud 1/wang directory, generates files after compression, and saves the price in the /home directory to realize the tar command grid of this task * * * * * * *.
2. 14Linux command to check the number of processes in the Linux system _ _ _
2. 15 Linux commands for viewing system memory in Linux system: _ _ _ _ _ _, * * * *
2. 16Linux commands to check the cpu utilization of Linux system: _ _ _ _ _ _, * * * *
2. 17Linux command for Linux system to check hard disk space utilization: _ _ _ _
2. 18Linux system packs and compresses all. Log file under a file, the command is _ _.
2. 19 Linux common performance monitoring commands are _, _, _, _, _, etc.
2.20 Assuming that the output program may output standard output and standard error, please write a command to ignore both _ _.
2.2 1 rpm software package installation command * * _ * *
3 short answer
3. 1 command to view the hard disk structure display? View document command? Edit document command?
3.2 command to configure network environment, and manually modify IP, host name, DNS and gateway.
3.3 a.tar.gz has a compressed package, how to decompress this package? How can I view the contents of the package without decompression?
3.4 A certain process abcd plays a great role in the system, and the number is difficult to count, resulting in a high system load. How to ensure that one command kills all processes?
3.5 The path of a log is/data/logs/a.txt. How can I track the log to see the running status at that time?
3.6 What information does the dmesg command display?
3.7 Find the file named mytest.log
3.8 write down the difference between du-sh and df-h.
3.9 Check whether the current linux server is listening on port 80. If so, please find out its process ID and end the process.
3. 10 uses curl or wget to get the header information of the http service.
3. 1 1 Write a command to check the performance of the linux system, such as cpu, memory, traffic, io, etc.
Explain the meaning of the following commands
dd if=/dev/random of=/dev/sda
3. 13 How do I view the processes occupying port 8080?
3. 14 Check the process that occupies the most memory.
3. 15 command to compress and decompress the directory /opt/gjsy/ all file
3. 16 How to check the program status running on port 8080 under Lin Xu system?
3. What does VSZ stand for in17psaaux and what does RSS stand for?
3. 18PING uses the * * _ * * protocol in TCP/IP protocol.
3. 19 Writing common commands for network troubleshooting * * _ * *
3.20 Write out your common online package grabbing tool, and the software is called * * _ * *.
3.2 1 archive and compress the /home/stud 1/wang directory, generate a file after compression, and save the file in the /home directory to realize the tar command format of this task.
3.22 explain the meaning of this command: nohup zcat test.gz | grep "x6game" > ~/log.txt.
2 & gt/dev/null & amp；
3.23 What are the tools or commands to check the hardware load of the system?
3.24 Use the lsof command to view the processes occupying port 80.
3.25 how to use CURL to test POST interface
3.26 How to find files with txt extension in /home/user/training/ directory?
3.27 What is the most commonly used network test command?
What is the test result of 3.28 Ping?
3.29 How to find out the process and process number occupying port 22?
3.30 How to delete all files with file name suffix? Logs created 30 days ago under the current directory (including word directory)?
What is the function of Linux commands below 3.3 1?
Initialize 0
Chkconfig-Turn on Level 3 Send Mail
tar-czvf test.tar.gz./
Qionghe
ln-s/data/log//var/log/Sina _ log
Uninstall/Data 0
rpm-ivh baihui.rpm
rpm-qf/bin/ls
3.32 What do the common 3.32LINUX commands pwd, top, df, ifconfig and cat mean respectively?
3.33 Common 3.33linux commands: What are the commands to shut down, restart, edit document files, delete files and change operating system passwords?
3.34 Please use the command: Delete ordinary files in the 10 days ago /backup directory.
3.35 How to view the ip list currently connected to the server?
3.36 Write the functions of five common commands in the liunx system: diff, chmod, grep, kill, tar.
3.37 Briefly describe the errors in tar-cjvf/tmp/test.tar.gz/root command and their causes.
3.38Linux system tests whether a tcp port of server B is connected to use _ _ from server A..
3.39 Write a script to find the file whose last creation time is 3 days ago and the suffix is *. Record it and delete it.
3.40 3.40 How does Linux find the path to the startup program according to the process ID?
3.4 1 View the exchanged process id.
3.42 List the commonly used linux packaging tools and write the corresponding decompression parameters (at least three).
3.43 What command is used to lock files in Linux? What's the difference between him and md5sum?
3.44 How to find all files with user 1 in the system?
3.45 command to view the disk space occupied by files or folders.
3.46 How to check how long the remote linux system has been running? My server's memory, cpu, hard disk, system version, linux will give priority to caching data in memory. What is the actual memory consumption of my machine?
3.47 Check which ports are currently open on the server? How to check whether there is IO pressure on a server?
3.48 How to check which processes occupy a file system. log?
develop
1.2 1 You need to continue running a process after logging off the unix system account, so () is available.
Awk sed crontab nohup screen
1.20 The purpose of using the trace command is ()
Available very successful test methods
Very basic test means
Add the IP address and DNS to the routing table.
Find the lost point in the transmission process from source to target.
1.27 Which variable is used to specify which X server the remote X application places its output on?
school term
show
echo
output
1.33P series servers are used as file servers, and all user files are stored on non-rootvg file systems. What methods can be used to quickly back up and restore these data and file system definitions ()?
sailor
cpio
savefs
savevg