Linux Common commands

sudo apt-get install software name installation software command
sudo nautilus Open file (with root permission)

SU root switches to "root"
Exit the root user when the root user returns to normal user mode

LS lists the current directory file (excluding hidden files)
Ls-a list current directory files (including hidden files)
Ls-l list the files in the current directory for more information

Cd.. Back to the top-level directory of the current directory
CD-Back to the same directory
CD ~ or CD back to the current user's host directory

mkdir directory name Create a directory

RmDir Empty directory name Delete an empty directory
RM FileName File name Delete a file or multiple files
RM-RF non-empty directory name delete everything under a non-empty directory

MV Path/Document/warp/file movement relative to the path of the file to the absolute path
MV FileName New name renamed in current directory
Find Road via-name "string" finds paths in the range of files and directories that meet string matches

Fdisk fdisk-l viewing system partition information
FDISK FDISK/DEV/SDB partition a new SCSI hard drive
Chown chown Root/home Change the owner of/home to the root user
CHGRP chgrp root/home Change the home/home group to the root group

Useradd Create a new user
Groupadd group name to create a new group
PASSWD User name create password for user
passwd-d User name Delete user password can also login
Passwd-s User name Inquiry account password
Usermod-l new username old user name renamed to User
Userdel–r User name Delete user everything

TAR-C Create Package –x release Package-v Display command procedure –z represents a compressed package
TAR–CVF benet.tar/home/benet Pack The/home/benet directory
TAR–ZCVF BENET.TAR.GZ/MNT Package and compress the directory
TAR–ZXVF benet.tar.gz Compressed Package file decompression and recovery
TAR–JXVF benet.tar.bz2 Decompression

Make compilation
Make install installs the compiled source package
Reboot Init 6 Restart Linux system
Halt Init 0 shutdown–h now shut down the Linux system

Uname-a Viewing the kernel version
Cat/etc/issue View Ubuntu version
LSUSB Viewing USB devices
sudo ethtool eth0 view NIC status
Cat/proc/cpuinfo Viewing CPU information
LSHW Viewing current hardware information
sudo fdisk-l viewing disk information
Df-h viewing the remaining space on the hard disk
Free-m View Current Memory usage
PS-A See which processes are currently in progress
Kill process Number (the number of the first column in ps-a) or killall process name (kills a process)
Kill-9 process number forces a process to be killed

Common APT Commands:

Apt-cache Search Package
Apt-cache Show package for information about packages, such as description, size, version, etc.
sudo apt-get install package
sudo apt-get Install package--Reinstall reinstall packages
sudo apt-get-f install fix "-F =–fix-missing"
sudo apt-get Remove Package
sudo apt-get Remove Package--purge delete packages, including deletion of configuration files, etc.
sudo apt-get update source
sudo apt-get upgrade update installed packages
sudo apt-get Dist-upgrade upgrade system
sudo apt-get dselect-upgrade using Dselect upgrade
Apt-cache depends package learn about using dependencies
Apt-cache Rdepends package is to see which packages are dependent on
sudo apt-get BUILD-DEP Package Installation-related compilation environment
Apt-get Source Package Downloads The source code for the bundle
sudo apt-get clean && sudo apt-get autoclean cleanup of useless packages
sudo apt-get check to see if there is a corrupted dependency

Clean up all software caches (that is, the Deb packets that are cached in the/var/cache/apt/archives directory)
sudo apt-get clean

Remove orphaned software that is no longer used by the system
sudo apt-get autoremove

Linux Common commands