LS # Displays the current directory file list by default
Ls -a # Shows all files including hidden files
LS -L # Displays file properties, including size, date, symbolic connection, whether to read and write and do it
LS --COLOR = never * .so> OBJ # does not display text color, record all SO files into the OBJ file
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CD DIR # Switch to Dir directories in the current directory
CD / # switch to the root directory
Cd .. # Switch to the previous directory
Cd ../ Switch to the last secondary directory
CD ~ # switches to the user directory, such as the root user, switch to / root
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RM file # Delete a file
Rm -fr Dir # Deletes the entire directory called DIR under the current directory
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CP Source Target # Copy the file Source to Target
CP / root / source. # Copy the file Source under / root to the current directory
Cp -av Soure_Dir Target_dir # copy the entire directory, the two directories are exactly
CP -FR SOURCE_DIR TARGET_DIR # Copy the entire directory and copy in a non-link mode, when the Source directory comes with a symbolic link, the two directories are different.
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MV Source Target # Rename the file Source to Target
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DIFF DIR1 DIR2 # Compare Directory 1 is the same as the list of files of the directory 2, but does not compare the actual content of the file, the difference is listed.
DIFF file1 file2 # Compare the file 1 is the same as the contents of the file 2, if it is a file in the format, the content is displayed, and if it is a binary code, only two files are different.
Comm file1 file2 # Compare files, display two files different
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Echo Message # Shows a string of characters
Echo "Message Message2" # Displays discontinuous strings
Cat:
Cat file # Displays the content of the file, and the same TYPE in DOS
Cat file | more # Displays the contents of the file and transfer to the more program implementation paging display, use the command Less file to achieve the same function
More # page command, generally pass the content to it through the pipe, such as LS | More
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Export lc_all = zh_cn.gb2312 # Set the value of the environment variable lc_all to zh_cn.gb2312
EXPORT Display = 0: 0 # By this setting, the graphics program running under the current character terminal can be run directly in XServer
Date # Shows the current date time
Date -s 20:30:30 # Set the system time 20:30:30
Date -S 2002-3-5 # Set the system period to read time parameters in the system BIOS period 2003-3-5Clock -R #
Clock -w # Writing the system time (such as the time of Date setting) to the BIOS
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Eject #umout offs CDROM and pops up the disc, but CDROM cannot be in the state of Busy, otherwise it will be invalid.
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DU # Calculate the capacity of the current directory
du -sm / root # calculates the capacity of / root directory and in m
Find -name / path file # Find in / path directory to see if there is file file
grep -ir "chars" # in all files in the current directory lookup string Chars, and ignore the case, -i is case case, -r is the next directory
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Vi file # Edit File File
VI for the original use and command:
In the way you enter the command, press CTRL C before entering: x (exit) ,: x! (Exit and save): w (write file),: w! (Do not ask how to write files),: r file (Read File File),:% s / OldChars / NewChars / g commands for commands for this class for NEWCHARS)
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Man LS # reads help with the LS command
Man Ls | Grep Color # Reads Help for LS Commands and finds a Color string through the GREP program
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STARTX # Running Linux graphic environment
Xfree86 # only run x graphics server
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Reboot # Restart your computer
Halt # Close the computer
INIT 0 # Close all applications and services, enter the pure operating environment
INIT 1 # Restart Application and Services
INIT 6 # Restart the computer
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Expand command
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TAR XFZV file.tgz # decompressed file file.tgz
TAR XFZV file.tgz -c target_path # unzip file file.tgz to the target_path directory
Tar cfzv file.tgz source_path # Compresses files Source_path to file.tgz
TAR C Directory> Directory.tar # Package the directory Directory into a non-compressed Directory.tar
Gzip Directory.tar # will overwrite the original file to generate compressed Directory.Tar.gz
Gunzip Directory.tar.gz # Overwrite the original file to extract Directory.TARs that are not compressed. TAR Xf Directory.Tar # can uncomparable file unpacking
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Dmesg # Display KERNLE boot and driver loading information
UNAME # Displays the type of operating system
Uname -r # Displays the Version of the operating system kernel
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Strings file displays ASCII characters in the file file
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RPM -IHV Program.rpm # Installer Program and Displays the installation process
RPM2TARGZ program.rpm program.tgz # Convert files in the RPM format to Tarball format
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Su root # Switch to Super User
Sulogin / dev / tty4 # On TTY4, Alt F4 terminal waiting for a user to log in or log in to open a shell
CHMOD A X File # Set the file file to executable, the script class file must set one, otherwise you can use Bash File to execute
CHMOD 666 file # Set file file as readable and writable
Chown User / Dir # Sets the / DIR directory to User
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MkNod / DEV / HDA1 B 3 1 # Create block device HDA1, main device number 3, from device number 1, the first partition of the master hard disk
MkNod / DEV / TTY1 C 4 1 # Create a character device TTY1, the main device number is 4, the public device number is 1, that is, the first TTY terminal
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Touch / TMP / Running # Create a temporary file running under / TMP, disappear after restarting
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Sleep 9 # system hangs for 9 seconds
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LPD STOP or CUPS STOP # Stop print service
LPD START or CUPS START # launch the print service
LPD RESTART or CUPS Restart # Restart Print Server
Lpr file.txt # Print file file.txt
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FDISK / DEV / HDA # is like performing DOS's FDISK
Cfdisk / dev / hda # is slightly friendly than the FDISK interface
Mount -t ext2 / dev / hda1 / mnt # load / dev / hda1 to / mnt directory
DF # Displays information about file system loading
Mount -t ISO9660 / dev / cdrom / mnt / cdrom # load the optical drive to / mnt / cdrom directory
Mount-T SMB //192.168.1.5/shaedir / mnt -o username = tomlinux, password = tomlinux # loads Windows shared directory to / mnt / sm catalog, username and password are TomlinuxMount -t NFS 192.168.1.1 : / Sharedir / MNT # Loads the Shared Directory of the NFS Service to / MNT / NFS Directory
Umount / MNT # Uninstall / MNT directory, / mnt directory must be in idle state
Umount / dev / hda1 # Uninstall / dev / hda1 devices, the device must be in an airful state
Sync # Synchronize the content in cache, copy files in Linux, usually to write files in the system
E2FSCK / DEV / HDA1 # check / dev / hda1 has file system errors, prompt repair mode
E2FSCK -P / DEV / HDA1 # Check / dev / hda1 has an error, if there is an automatic repair
E2FSck -y / dev / hda1 # checks errors, all questions are performed on YES
E2FSck -c / dev / hda1 # Check if the disk has a bad area
MKFS / DEV / HDA1 # format / dev / hda1 is EXT2 format
Mkfs.minix / dev / hda1 # formatted / dev / hda1 for minix format file system
Mfks / dev / hda9 # 工 化 / dev / hda9 is Linux SWAP format
Swapon / dev / hda9 # Use the SWAP partition as a memory
Swapoff / dev / hda9 # Uninstall SWAP partition
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LILO # Run the LILO program, the program automatically looks for /etc/lilo.conf and take effect according to this configuration
Lilo -c /root/lilo.conf #lilo program Press /Root/lilo.conf configuration to take effect
GRUB # Run Boot Loader Setup in Linux Shell
Grub-install # Install the GRUB disk boot program, upgrade the kernel after successful, you do not need to restart the system like Lilo, just modify /etc/grub.conf to realize new boot configuration
RDEV BZIMAGE # Displays the root partition information of KERNEL
RDEV BZIMAGE / DEV / HDA1 # Set the root partition of the Kernel to / dev / hda1, which is very important in the system without a boot program such as LILO.
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DD if = / dev / fd0 of = floppy.fd # Copy the content of the floppy disk into a mirror, functionality is the same as HD-COPY, which is commonly used in the old stone age
DD if = / dev / zero of = root.ram BS = 1024, count = 1024 # Generates a block device with a size of 1M, you can use it as a partition of the hard disk.
Mkfs root.ram # Format the block device into EXT2 format
DD if = root.ram of = / dev / ram0 # Import Init.RD's root.ram content into memory
Mount / dev / ram0 / mnt #ramdisk / dev / ram0 loaded to / mnt directory
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GCC hello.c # Compile hello.c into a.out binary execution file
GCC hello.c -o hello # compile hello.c as a binary executter called Hello
GCC -STATIC -O Hello Hello.c # compiled hello.c Which libraries used as Hello's binary static execution file LDD program # display procedure?
Objcopy -s program removes the symbol table in the program and the useless debug information, you can make a lot.
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Strace Netscape # Take the execution of the program NetScape, the wage, environment variable settings, configuration files, useful devices, other applications called, etc., under Strace, what Dan Dong is working at a glance.
PS # Displays the current system process information
PS-EF # Display all process information of the system
Kill -9 500 # Dry the process number to 500
KILLALL -9 Netscape # kills all the names of Netscape, Kill is not universal, invalid to the zombie program.
Top # Displays the activity of the system process, according to the percentage of CPU resources
Free # Displays system memory and SWAP usage
Time Program # After the Program program is over, the time used by Program runs.
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CHROOT. # Switch the root directory to the current directory, use it when you debug new system
Chroot / Tomlinux # Switch the root directory to / tomlinux directory
Chroot / Tomlinux Sbin / init # Switch the root directory to / tomlinux and execute sbin / init
AddUser ID # Add a user called ID
Userdel ID # 增 叫 i i 的 的
UserList # Shows the list of logged in users
Passwd ID # Modify the password of the user ID
Passwd -d root # Remove the password of the root user
Chown ID / WORK # Specify / Work Directory is your ID user
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Ifconfig eth0 192.168.1.1 Netmask 255.255.255.0 # Set the address of the NIC 1 192.168.1.1, the mask is 255.255.255.0, and the NetMask parameter is defamed to 255.255.255.0
Ifconfig eth0: 1 192.168.1.2 # The second address of the bundle network 1 is 192.168.1.2
IFCONFIG ETH0: X 192.168.1.x # Bundle NIC 1 The second address is 192.168.1.x
IfConfig Down Eth1 # Close the second network card to stop working
Hostname -f Tomlinux.com # Set the host name to Tomlinux.com
Route # Displays the current routing setting
Route Add Default GW 192.168.1.1 Metric 1 # setting 192.168.1.1 is the default route
Route del Default # Remove the default route
DHCP # Start DHCP service
DHClient # Start the DHCP terminal and automatically get the IP address
Ping 163.com # Test and 163.com connection
PING 202.96.128.68 # Test connection with IP 202.96.128.68
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ProBe RTL8139 # Check if the driver RTL8139.O is working properly
LSMOD # Displays the loaded driver
Insmod RTL8139.O # Loading driver RTL8139.OINSMOD SB.O IO = 0x280 IRQ = 7 DMA = 3 DMA16 = 7 MPU_IO = 330 # load driver and set related IRQ, DMA parameters
RMMOD RTL8139 # Delete driver modules called RTL8139
GPM-K # Stop Mouse Service in Stop Character Status
GPM -T PS2 # Start MOUSE service in PS2 type in the character state
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Telnet 192.168.1.1 # Telnet server on IP 192.168.1.1
Telnet iServer.com # Telnet server named iServer.com
FTP 192.168.1.1 or ftp iServer.com #Login to FTP service
