How to operate Linux

linuxUse linux commands to operate and manage the Linux system. For a Linux system, whether it is the central processor, memory, disk drive, keyboard, mouse, or user, they are all files, and the commands managed by the Linux system are the core of its normal operation.

There are two types of Linux commands in the system: built-in Shell commands and Linux commands.

Commonly used commands (Recommended learning: linux operation and maintenance)

tar and gzip

tar Command

#tar [-cxtzjvfpPN] [文件与目录....]

Parameters:

-c: Parameter command to create a compressed file (meaning create);

-x: Unzip a Parameter instructions for compressed files!

-t: View the files in tarfile!

Specially note that in the parameter release, only one c/x/t can exist! Cannot exist at the same time! Because it is impossible to compress and decompress at the same time.

-z: Does it also have the attributes of gzip? That is, do I need to use gzip compression?

-j: Does it also have the attributes of bzip2? That is, do I need to use bzip2 compression?

-v: Display files during compression! This is commonly used, but it is not recommended to be used in background execution processes!

-f: Use the file name. Please note that the file name must be followed immediately after f! Don't add any more parameters!

For example, using "tar -zcvfP tfile sfile" is wrong. It should be written as "tar -zcvPf tfile sfile"

-p: Use the original file Original attributes (attributes will not change according to the user)

-P: You can use absolute paths to compress!

-N: Only the date that is newer than the following date (yyyy/mm/dd) will be packaged into the newly created file!

--exclude FILE: During the compression process, do not package FILE!

#tar -cvf [文件名.tar] [文件……目录]

View the contents of the package file

#tar -tf 文件名.tar

Add a new file to an existing package

#tar -rvf [文件名.tar] [新文件……]

Release the package file

#tar -xvf 文件名.tar

gz compressed file

#gzip 文件名

Unzip the file

#gzip -d 文件名.gz

or

#gunzip 文件名.gz

Create a compressed package

#tar -zcvf [文件名.tar.gz] [文件1 文件2 …]

View the contents of the compressed package

#tar -ztf 文件名.tar.gz

Release the compressed package

#tar -zxvf 文件名.tar.gz

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