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This article will explain in detail what are the basic commands about linux. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Some common basic commands:

Uname-a check the kernel version

Ls-al displays the properties of all files

Pwd displays the current path

Cd-return to last directory cd ~ return to home directory

Date s set time and date

Cal display Calendar cal 2006

Bc computing apparatus

Man & info help manual

Locale displays the current font locale-an all available fonts / etc/sysconfig/i18n settings file

LANG=en uses English fonts

Sync writes data synchronously to the hard disk

Shutdonw-h now & half & poweroff shutdown

Reboot restart

Startx & init 5 enters the graphics interface

/ work &? work looks up and down for document content

Chgrp changes the file group chgrp testing install.log

Chown changes the person chown root:root install.log

Chmod changes the property chmod 777 install.log read=4 write=2 execute=1

Cp replication cp filename

Rm Delete Files rm-rf filename Force Delete Files

Rmdir delete folder

Mv Mobile mv 123.txt 222.txt rename

Mkdir create folder

Touch create file update current time

Cat displays cat from the * line | more pagination

Nl adds a line number to the content

More & less flipped side by side

Head-n filename displays the contents of line N

N lines after tail-n filename display

Od displays impure documents

Df-h displays partition spaces

Du displays the size of a directory or file

Fdisk partition settings fdisk-l / dev/hda displays the partition status of the hard disk

Mkfs builds various file systems mkfs-t ext3 / dev/ram15

Fsck checks and repairs LINUX files

Ln hard link ln-s software link

Whereis lookup command

Locate search

Find looks for find /-name "* *. * *"

Which viewing tool

Whoami displays the current user

Gcc-v View GCC version

Chattr + I filename disable deletion chattr-I filename Unban

Lsattr shows hidden file properties

Updatedb updates the database

Mke2fs format mkfs-t ext3

Dd if=/etc/passwd of=/tmp/passwd.bak backup

Mount lists all the partitions of the system

Mount-t iso9660 / dev/cdrom / mnt/cdrom mount CD

Mount-t vfat / dev/fd0 / mnt/floppy mount floppy disk

Mount-t vfat-o iocharset=utf8,umask=000 / dev/hda2 / mnt/hda2 mount fat32 partition

Mount-t ntfs-o nls=utf8,umask=000 / dev/hda3 / mnt/hda3 mount ntfs partition

Linux-NTFS Project: linux-ntfs.sourceforge.net/ "> http://linux-ntfs.sourceforge.net/

Umount / mnt/hda3 load

Ifconfig displays or sets network devices

Service network restart restarts the network card

Ifdown eth0 shuts down the network card

Ifup eth0 opens the network card.

Clear screen cleaning

History History! 55 execute instruction 55

Stty setting terminal stty-a

Fdisk / mbr delete GRUB

At schedules work only once.

Crontab loop routine command [e] edit, [l] display, [r] delete task

& background running program tar-zxvf 123.tar.gz & running in the background

Jobs watches the program jobs-l paused in the background.

Fg sets the background program to the foreground fg n n is a number, which program can be specified

Bg makes the work run in the background

Kill termination process kill-9 PID [9] forced termination, [15] normal termination, [l] lists available kill signals

Ps aux View daemon

Top View daemon top-d 2 updates top-d 2-p10604 every two seconds to watch a PID

Top-b-N2 > / tmp/top.txt carries out the information of top twice, and then outputs the result to / tmp/top.txt

Pstree displays the program [A] in a tree view to connect with ASCII, [u] lists PID, [p] lists account numbers

Killall wants to delete a service killall-9 httpd

Free display memory status free-m is displayed in M

Uptime shows the current system boot time

Netstat displays the network status netstat-tulnp to find out the network connections that are already being monitored on the system and their PID

Dmesg displays boot information demsg | more

Nice sets priority nice-n-5 vi & use root to give a nice value of-5 to execute vi

Priority already exists for renice adjustment

Runlevel displays the current runlevel

Depmod Analysis of the dependence of loadable Modules

Lsmod displays modules loaded into the system

Modinfo displays information about the kernel module

Insmod load module

Modprobe automatic processing loadable module

Rmmod delete module

Chkconfig check, set up various services of the system chkconfig-- list lists the status of each service

Ntsysv sets up various services of the system

Cpio backup files

Compression command:

* .Z compress compressed files

*. Files compressed by bz2bzip2 program

*. Files compressed by gz gzip program

*. The data packaged by the tartar program has not been compressed

*. Files packaged by tar.gz tar programs, which are compressed by gzip

Compress filename compressed file plus [- d] decompress uncompress

Gzip filename compression plus [- d] decompress zcat 123.gz to view the contents of the compressed file

Bzip2-z filename compression plus [- d] decompress bzcat filename.bz2 to view the contents of the compressed file

Tar-cvf / home/123.tar / etc packaged without compression

Tar-xvf 123.tar unpack

Tar-zxvf / home/123.tar.gz decompressed with gzip

Tar-jxvf / home/123.tar.bz2 decompressed with bzip2

Tar-ztvf / tmp/etc.tar.gz View tar content

Cpio-covB > [file | device] share

Cpio-icduv < [file | device] restore

This is the end of this article on "what are the basic commands of linux". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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