Linux--Ubuntu command

Source: Internet
Author: User
Tags bz2 create directory rpmbuild

First, the file directory class

1. Create directory: mkdir directory name

2. Delete Empty directory: RmDir directory name

3. Unconditional deletion of subdirectories: RM-RF directory Name

4. Change the current directory: CD directory name (go to User home directory: cd ~; go to the top level directory: CD-)

5. View your directory: PWD

6. View the current directory size: Du

7. Display directory file list: Ls-l (-A: Add display hidden directory)

Where: Blue: directory; green: executable file; red: compressed file; light blue: Link file; Gray: other files; red background white: Wrong link file

8. Browse Files: More file names. txt;less filename. txt

9. Copy files: CP source file Target file (-r: Include directory)

10. Find File: (1) Find (2) Locate command name

11. Link: (1) Establish hard link: ln source file Link file (-d: Create directory link), (2) Establish symbolic Link: ln-s source file Link file

Second, drive Mount class

1. Check the drive usage: df-t-H

2. Check the disk partition: Fdisk-l

3. Mount the soft hard light zone: mount-t/dev/fdx|hdax/mnt/directory Name

wherein: MODOS--FAT16;VFAT--FAT32;NTFS--NTFS; optical drive--iso9660

Support Chinese name: Mount-o iocharset=x/dev/hdax/mnt/directory Name

Mount Optical drive: mount-t auto/dev/cdrom/mnt/cdrom

Mount ISO file: mount-t iso9660-o loop Xxx.iso/path

4. Release mount: umount/mnt/directory Name

Remove all mounts: umount-a

5. Establish file system: Mkfs-t/dev/hdxx. Among them: Ftype:ext2, ext3, swap, etc.

Third, the program installation class

1.RPM Package Installation:

(1) Installing RPM-IVH somesoft.rpm

(2) Anti-installation rpm-e somefost.rpm

(3) Query rpm-q somefost or Rpm-qpi somefost.rpm (where: P not installed; I contains information)

(4) query after installation location: RPM-QL somefost.rpm

(5) Upgrade installation: RPM-UVH somesoft.rpm

(6) Forced installation: Rpm-ivh--nodeps somesoft.rpm or RPM-IVH--nodeps--force somesoft.rpm

2. Source Code Package Installation:

Read the Readme

Basic usage:

(1) Configuration: Unzip the directory./configure

(2) Compile: Unzip directory make

(3) Install: Unzip directory make install

Installation of 3.src.rpm

You need to use the Rpmbuild command plus the--rebuild parameter. such as Rpmbuild--rebuild ***.src.rpm. and find it under the/usr/src/.

FC3 ISO program installation: System-config-packages--isodir=iso Directory

RH under ISO program installation: Redhat-config-packages--isodir=iso Directory

Play Linux: A selection of terminal command usage
Release time: 2009-4-13-09:57 Author: unknown Source: Network reprint

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Four, compression decompression class

1.tar.gz class: (1) Extract: Tar-xvzf file. tar.gz; (2) tar.gz to tar:gzip-d file. tar.gz (2) Compression: gzip files for compression

2.tar Uncompressed class: (1) Unpacking: TAR-XVF file. tar; (2) Packaging: TAR-CVF file. tar file list class: (1) Extract: Unzip file. zip-d dir; (2) Compression: Zip ZipFile List of files to be compressed

4.BZ2 class: (1) Extract: Bunzip2 file. bz2 or bzip2-d file. bz2; (2) Compression: BZIP2 files to be compressed

5.z class: (1) Extract: Uncompress file. Z; (2) Compression: Compress file

V. Process Control class

1. List the current process Id:ps-auxw

2. Termination process:

(1) Terminating a single process: Kill process ID Number

(2) Terminate the program All processes: Killall program name

(3) Termination of X-window program: Xkill

3. View Resource Usage: (1) Top (2) Free (3) DMESG

4. View environment variable values: ENV

5. Restart: (1) Reboot (2) Ctrl Alt Del (3) Init 6

6. Shutdown: (1) Shutdown-h now (2) halt (3) Init 0

7. Switch Desktop: Switchdesk gnome| Kde| ...

VI. program Operation class

1. Query command: Whereis command name

2. Background Run X-window Program: Program Name &

3. Forced exit X-window Program: Ctrl Alt Backspace

4. View Help:

(1) Concise help: command name--help | Less

(2) More help: Man command name

(3) Info command name

(4) Help command name

5. View the system path: Echo $PATH

6. View the current shell stack: Echo $SHLVL

7.<: input/output redirection; |: Pipeline left input is pipe right input

Seven, user account class

1. Add user account:

(1) User name: AddUser user account name

(2) Set Password: passwd user account name

2. Delete user account: Userdel user account name

3. Add user group: Groupadd user Group name

4. Delete user group: Groupdel user Group name

5. Temporarily terminate user account: Passwd-l user account name

6. Restore the terminated account: Passwd-u user account name

7. Permission settings

(1) Chmod-a|u|g|o |-|=r|w|x File/directory Name

Where: a--all users, u--(user), g--User Group (group), o--other users

--Add permissions,---delete permissions; =--set permissions

File: r--read-only permission (read), w--Write permission (write), x--Execute permission (execute)

Directory: r--allows files and subdirectories under the column directory; w--allows you to generate and delete files under directories; x--allow access to the directory

(2) chmod xxx File/directory name

of which: execute=1;write=2;read=4

X value: 0--does not have any permissions (common); 2--can only be written (uncommon); 3--can only be written and executed (uncommon); 4--read-only (common); 5--read-Only and execute (common); 6--reads and writes (common); Write and Execute

Eight, VI editing class

1. Enter after the command mode: (1) Insert I; (2) Open 0; (3) Modify C; (4) Replace R; (5) Replace S

2. Enter full screen editing mode after (1).

3. Command mode--edit mode (a/i), edit mode--command mode (ESC), Command mode--and last line mode (:).

4.:w/w NewFile Save

5.:q/q! Exit Iv;:wq Save Exit

Nine, network services

1. Display Network interface parameters: Ifconfig

2. Display System mail: Mail

3. Start/Stop Web service: Httpd-k start|stop|restart

4. Check the status of your network:

(1) Online Status: Ping;

(2) Display network status: Netstat, wherein: options:-a== all sockets;-l== contain network equipment;-n== digital IP;

-o== other information;-r== routing table;-t== only column TCP sockets;-u== only column UDP sockets;-w== column raw sockets;

-x== only UNIX Domain sockets

X. Other types of

1. Display graphics 3D information: Glxinfo and Glxgears

Linux--Ubuntu command

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