Chapter 03- Linux Common Commands
| AD |
02-vmwarecentos7shellshell(kernel)shell-2-1-2-1shellshellshellshellshellBourne Shell/usr/bin/sh/bin/shBourne Again Shell/bin/bashC Shell/usr/bin/cshK Shell/usr/bin/kshshell[root@cdphost ~]# echo $SHELL/bin/bashLinuxman[root@cdphost ~]# man lsreboot[root@cdphost ~]# rebootshutdown[root@cdphost ~]# shutdownlsls [] []ls-l-a-A.
02-vmwarecentos7
shellshell(kernel)shell-2-1
-2-1
shellshellshellshell
shellBourne Shell/usr/bin/sh/bin/shBourne Again Shell/bin/bashC Shell/usr/bin/cshK Shell/usr/bin/ksh
- shell
[root@cdphost ~]# echo $SHELL/bin/bashman
[root@cdphost ~]# man lsreboot
[root@cdphost ~]# rebootshutdown
[root@cdphost ~]# shutdownls
ls [] []
ls
-l | |
-a | |
-A | ... |
-h | |
-t | |
-r |
[root@cdphost ~]# ls -ltotal 4194316-rw-------. 1 root root 1808 Dec 15 2022 anaconda-ks.cfg-rw------- 1 root root 1908 Jun 19 16:56 dead.letterdrwxr-xr-x. 2 root root 6 Dec 15 2022 Desktopdrwxr-xr-x. 2 root root 6 Dec 15 2022 Documents... ...pwd
[root@cdphost ~]# pwd/rootcd
cd <>
. | |
.. | |
~ | Home |
- | |
/home/cdp |
[root@cdphost ~]# cd /usr/bin[root@cdphost bin]# pwd/usr/binmkdir
mkdir [] <>
mkdir
-p |
[root@cdphost ~]# mkdir -p /root/temp1/temp2[root@cdphost ~]# cd /root/temp1/temp2/[root@cdphost temp2]# pwd/root/temp1/temp2rm
rm [] </>
rm
-r | |
-f |
[root@cdphost temp2]# pwd/root/temp1/temp2[root@cdphost temp2]# cd ~[root@cdphost ~]# pwd/root[root@cdphost ~]# rm -rf temp1[root@cdphost ~]#rename
rename
[root@cdphost temp1]# lsaaa aaabbb.txt dddaaa.txt[root@cdphost temp1]# rename aaa bbb aaabbb.txt[root@cdphost temp1]# lsaaa bbbbbb.txt dddaaa.txt[root@cdphost temp1]#mv
mv <> <>
1/root/temp1/aaa/root/temp2
[root@cdphost temp1]# mv /root/temp1/aaa /root/temp22/root/temp1/aaa/root/temp2
[root@cdphost temp1]# mv /root/temp1/aaa/* /root/temp2/bbb3/root/temp2bbbccc
[root@cdphost temp2]# mv /root/temp2/bbb /root/temp2/ccccp
cp <> <>
cp
-r |
1/root/temp1/aaa/root/temp2/ccc
[root@cdphost ccc]# cp -r /root/temp1/aaa /root/temp2/ccc2/root/temp1/aaa/root/temp2/ccc
[root@cdphost ccc]# cp -r /root/temp1/aaa/* /root/temp2/ccctouch
[root@cdphost temp1]# lltotal 0[root@cdphost temp1]# touch a.txt[root@cdphost temp1]# lltotal 0-rw-r--r-- 1 root root 0 Jun 25 23:00 a.txtcat
[root@cdphost temp1]# cat /etc/passwdmore
[root@cdphost temp1]# more /etc/passwdhead
10
head []
head
-n |
1/etc/group5
[root@cdphost temp1]# head -n 5 /etc/grouproot:x:0:bin:x:1:daemon:x:2:sys:x:3:adm:x:4:tail
10
tail []
tail
-n | |
-f |
1/etc/group5
[root@cdphost temp1]# tail -n 5 /etc/grouptcpdump:x:72:stapusr:x:156:stapsys:x:157:stapdev:x:158:cdp:x:1000:cdp2/root/cdp.txt
[root@cdphost ~]# tail -f cdp.txt788wc
wc []
wc
-l | |
-w | |
-c |
1/etc/passwd
[root@cdphost ~]# wc -l /etc/passwd43 /etc/passwd2/etc/passwd
[root@cdphost ~]# wc -w /etc/passwd87 /etc/passwd3/etc/passwd
[root@cdphost ~]# wc -c /etc/passwd2256 /etc/passwddu
dd
du
-h | |
-s | |
-b | byte |
-m | M |
-k | K |
1
[root@cdphost temp1]# du -sh3.5G .2
[root@cdphost temp1]# du -sh *100K 100K_temp.txt100M 100M_temp.txt1.0G 1G_temp.txt4.0K 2048_temp.txt2.4G a3
[root@cdphost temp1]# du -sh /root/temp1/a2.4G /root/temp1/a4
[root@cdphost temp1]# du -sh /root/temp1/a | cut -f12.4G[root@cdphost temp1]# du -sh /root/temp1/a | awk '{print $1}'2.4Gfind
find path -option [-print ] [ -exec -ok command ] {} ;
find
-name | |
-type | f |
-size |
1.c
[root@cdphost temp1]# find / -name "*.c"/usr/lib/firmware/isci/create_fw.c/usr/lib64/perl5/vendor_perl/auto/share/dist/DBD-SQLite/sqlite3.c/usr/share/doc/libpng-1.5.13/example.c/usr/share/doc/mpfr-3.1.1/mpfr/examples/divworst.c/usr/share/doc/mpfr-3.1.1/mpfr/examples/rndo-add.c/usr/share/doc/mpfr-3.1.1/mpfr/examples/sample.c/usr/share/doc/mpfr-3.1.1/mpfr/examples/version.c/usr/share/doc/libbluray-0.2.3/player_wrappers/xine/input_bluray.c2100M
[root@cdphost temp1]# find /root/temp1 -size +100M -exec ls -lh {} ;-rw-r--r--. 1 root root 1.0G Dec 23 12:34 /root/temp1/1G_temp.txt-rw-r--r--. 1 root root 2.0G Dec 23 12:51 /root/temp1/a/temp.txt-rw-r--r--. 1 root root 400M Dec 23 12:53 /root/temp1/a/b/100M_temp.txtgrep
grep [] [] file
grep
-v | |
-n | |
-c | |
-r |
1hello
[root@cdphost temp1]# grep "hello" /root/temp1 -rn/root/temp1/b.txt:3:asdfsaf hello/root/temp1/c/c.txt:10:hello hello/root/temp1/a.txt:6:abc hello/root/temp1/a.txt:7:hello cdb2hello
[root@cdphost temp1]# grep "hello" /root/temp1 -rc | grep ":0" -v/root/temp1/b.txt:1/root/temp1/c/c.txt:1/root/temp1/a.txt:23hello
[root@cdphost temp1]# grep "hello" /root/temp1 -rc | grep ":0" -v | cut -d ":" -f1/root/temp1/b.txt/root/temp1/c/c.txt/root/temp1/a.txt4
[root@cdphost temp1]# grep "^$" /root/temp1/a.txt -n3:5:linux$cat -A /root/temp1/a.txt
5java
[root@cdphost temp1]# ps -ef | grep java | grep -v grepdate
date [] [+]
date
-s datestr | datestr |
date
%Y | (0000..9999) |
%m | (01..12) |
%d | (01..31) |
%H | (00..23) |
%M | (00..59) |
%S | (00..59) |
%A | (Sunday..Saturday) |
%j |
1[yyyy-mm-dd hh:mm:ss]
[root@cdphost temp1]# date '+%Y-%m-%d %H:%M:%S'2022-12-23 15:48:402
[root@cdphost temp1]# date '+%A'Friday320211231 9:00:00
[root@cdphost temp1]# date -s '2021-12-31 9:00:00'ifconfig
IP
[root@cdphost temp1]# ifconfigdf
df []
df
-T | |
-h |
1
Filesystem
Size
Used
Avail
Use%
Mounted on
free
free []
free
-h | |
-m | M |
1
total
used
free
shared
buff/cache
available
top
[root@cdphost temp1]# top
top - 22:42:52 up 42 min, 2 users, load average: 0.13, 0.09, 0.12
22:42:5242 21,5,150.13, 0.09, 0.12
load average()CPU,(1,5,15)
Tasks: 492 total, 1 running, 491 sleeping, 0 stopped, 0 zombie
4921()491()0(stoppedkill)0()
%cpu(s): 7.2 us, 1.4 sy, 0.0 ni, 91.3 id, 0.0 wa, 0.0 hi, 0.2 si, 0.0 st
7.2% us CPU
1.4% sy CPU
0.0% ni CPU
91.3 % id CPU
0.0% wa IOCPU
0.0% hi Hardware IRQCPU
0.2% si Software InterruptsCPU
0.0% st CPU
CPUwindows
KiB Mem: 2035648 total, 888272 used, 1147376 free, 884 buffers
2035648k total 2035M
888272k used 888M
1147376k free 1147M
884k buffers 0.8M
KiB Swap: 2097148 total, 0 used, 2097148 free. 255104 cached Mem
swap
2097148k total 2097M
0k used 0M
2097148 k free 2097M
255104k cached 255M
used
PID | ID |
USER | |
PR | 'rt' |
NI | nice |
VIRT | kbVIRT=SWAP+RES |
RES | kbRES=CODE+DATA |
SHR | SHRkb |
S | ,: D - R S T Z |
%CPU | CPU |
%MEM | |
TIME+ | CPU |
COMMAND | / |
who
NAME
LINEpts/0:0x(x-window)
TIME
COMMENTIP
whoami
[root@cdphost ~]# whoamirootps
ps []
ps
-e | () |
-f |
15
2java
[root@cdphost ~]# ps -ef | grep java | grep -v grepkill
1
[root@cdphost ~]# kill -9 2
[root@cdphost ~]# kill -9 1 2 3 which
1pwd
[root@cdphost ~]# which pwd/usr/bin/pwdwget
1centos7163yum
[root@cdphost temp1]# wget http://mirrors.163.com/.help/CentOS7-Base-163.reposu
su [-]
su --
su - --
1su PATH
2su - PATH
sudo
sudo
sudo
1visudo
2/etc/sudoers(chmod u+w /etc/sudoers)
(/etc/sudoers)
visudo | |
cdp ALL=(ALL) ALL | cdpsudo |
%cdp ALL=(ALL) ALL | cdpsudo |
cdp ALL=(ALL) NOPASSWD:ALL() | cdpsudo |
%cdp ALL=(ALL) NOPASSWD:ALL | cdpsudo |
ALLsudo192.168.226.250/24
ALL
ALL
1cdpsudo
1visudo/etc/sudoers
[root@cdphost ~]# visudo --/etc/sudoers2
[cdp@cdphost ~]$ sudo systemctl stop firewalldhistory
110
[root@cdphost ~]# history | tail -n 10951 echo $PATH952 systemctl status firelwalld953 systemctl status firewalld954 visudo955 cat /etc/sudoers956 vi /etc/sudoers957 ll /etc/sudoers958 visudo959 history960 history | tail -n 102
[root@cdphost ~]# !951echo $PATH/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/binscp
linux
1.scp [] local_file remote_username@remote_ip:remote_file2.scp [] remote_username@remote_ip:remote_file local_filescp
-r |
1
[root@cdphost temp1]# scp 100M_temp.txt [email protected]:/root/temp3[root@cdphost temp1]# scp -r /root/temp2 [email protected]:/root/temp32
[root@cdphost temp4]# scp [email protected]:/root/temp3/100M_temp.txt ./[root@cdphost temp4]# scp -r [email protected]:/root/temp3/temp2 ./gzip
gzip [] []
gzip
-d | |
-l | |
-v |
1
2
3
tar
tar [] [] [..]
tar
-c | |
-v | |
-f | |
-x | |
-z | gzip,.gz |
-t | |
-C |
-c-x
linux3
-z | gzip | .tar.gz | gz > bz2 > xz xz > bz2 > gz |
-j | bzip2 | .tar.bz2 | |
-J | xz | .tar.xz |
1
2
3
4
5
6
zip
zip [] [.zip] [1]
zip
-q | |
-r |
1
unzip
uzip [] [.zip]
uzip
-l | |
-d |
1
Disclaimer: The content of this article is sourced from the internet. The copyright of the text, images, and other materials belongs to the original author. The platform reprints the materials for the purpose of conveying more information. The content of the article is for reference and learning only, and should not be used for commercial purposes. If it infringes on your legitimate rights and interests, please contact us promptly and we will handle it as soon as possible! We respect copyright and are committed to protecting it. Thank you for sharing.(Email:[email protected])
| Mobile advertising space rental |
Tag: Chapter Linux Common Commands
During the Dragon Boat Festival of Kwai, the amount of local life orders increased by more than 45%
NextBig data helps eliminate pornography? If you meet the following characteristics, you may be "involved in pornography" without realizing it
Guess you like
-
S&P Global Sustainability Yearbook 2024: Baidu's Inclusion Highlights the Crucial Role of AI GovernanceDetail
2025-02-19 21:08:50 1
-
Ronshen Refrigerators Lead 2024 Offline Market: Full-Scenario Embedded Refrigerators Drive Consumption UpgradeDetail
2025-02-19 19:12:01 11
-
Lenovo Xiaoxin Pro 2025 Series Unveiled: AI-Powered Evolution for an Upgraded ExperienceDetail
2025-02-19 10:43:34 11
-
The DeepSeek-R1 7B/14B API service is officially launched, offering 1 million free tokens!Detail
2025-02-19 10:18:07 1
-
Baidu's 2024 Financial Report: AI Strategy Drives Revenue Growth, Smart Cloud Leads the Large Model RaceDetail
2025-02-18 19:11:21 1
-
Xiaohongshu's IPO Plans: Rumors of State-Owned Enterprise Investment False, but Valuation Could Reach $20 USD BillionDetail
2025-02-18 10:27:03 1
-
Ulike Launches Three New Hair Removal Devices, Ushering in a New Era of Home Hair RemovalDetail
2025-02-17 22:00:06 11
-
Global Personal Smart Audio Market in 2025: Opportunities and Challenges Amidst Strong GrowthDetail
2025-02-17 15:28:45 1
-
OPPO Find N5: An In-Depth Look at the New Document App and Cross-System ConnectivityDetail
2025-02-17 15:25:26 1
-
Ping An Good Driver's AI-Powered Smart Insurance Planner Wins 2024 Technological Innovation Service Case AwardDetail
2025-02-17 09:36:45 11
- Detail
-
Xiaomi's Electric Vehicles Become a Growth Engine: Over 135,000 Deliveries in 9 Months, Orders Extending 6-7 Months OutDetail
2025-02-16 12:34:46 1
-
Geely Granted Patent for "Smart Charging Robot" Design, Enabling Automated EV ChargingDetail
2025-02-14 16:58:11 1
-
OPPO Find N5: Ushering in the 8mm Era for Foldable Smartphones A Milestone Breakthrough in Chinese Precision ManufacturingDetail
2025-02-14 13:05:02 1
-
Global Semiconductor Market Experiences Strong Growth in 2024: AI-Driven Data Centers Fuel Expansion, Samsung Reclaims Top SpotDetail
2025-02-14 13:00:26 21
-
Douyin's 2025 Spring Festival Consumption Data Report: Livestreaming Significantly Boosts Offline Consumption, Intangible Cultural Heritage and Tourism Emerge as New HighlightsDetail
2025-02-06 10:59:24 11
-
98-inch or 100-inch TV? An In-Depth Analysis of Large-Screen TV Selection ChallengesDetail
2025-02-06 05:24:30 1
-
Hanoi Stadium Drone Disaster: Unveiling the Complex Relationship Between Vietnam and the Sino-Korean Drone MarketDetail
2025-02-05 12:51:51 21
-
Douyin's 2023 Spring Festival Consumption Data Report: A Collision of Robust Consumption and Diversified New Year CustomsDetail
2025-02-05 10:21:17 1
-
Baidu Intelligent Cloud Illuminates China's First Self-Developed 10,000-GPU Cluster, Ushering in a New Era of AI Computing PowerDetail
2025-02-05 09:36:39 11