Common basic commands for Linux

Mkdir

1. Command format:

mkdir [Options] directory ...

2. Command function:

Create a Directory

3. Command parameters:

-P Create multiple directories

4. Command instance:

Instance 1:mkdir share Creating a directory

Instance 2:mkdir-p share/aa Creating a directory subdirectory

Rm

1. Command format:

RM [Options] Directory ...

2. Command function:

Delete Directory

3. Command parameters:

-RF forcibly deleting a directory (without prompting)

4. Command instance:

Instance 1:RM-RF share Delete a directory

Ls

1. Command format:

ls [options] directory ...

2. Command function:

View Catalog

3. Command parameters:

-A view directory (including. hidden files)

-l list File details

4. Command instance:

Example 1:ls-a share

Example 2:ll-a SHARE/AA

Cat

1. Command format:

ls [options] file ...

2. Command function:

viewing files (file)

3. Command parameters:

-N View file (including display line number)

Omitted..

4. Command instance:

Instance 1:cat-n file View files

Example 2:cat >> 1.txt <<eof

> Content

>eof input content to 1.txt

Cp

1. Command format:

CP [option] Fille file

2. Command function:

Where to copy what?

3. Command parameters:

-P preserves the properties of the source file or directory, including the owner, the owning group, the permissions and the time

-R recursive processing, processing files in the specified directory with subdirectories

4. Command instance:

Example 1:cp-p Share/root/share

Example 2:cp-r Share/aa/root/share

Pwd

1. Command format:

Pwd

2. Command function:

View your current location

3. Command parameters:

No

4. Command instance:

Example 1:pwd shows where you are

Touch

1. Command format:

Touch file

2. Command function:

Create a file

3. Command parameters:

No

4. Command instance:

Example 1:touch 1.txt

Mv

1. Command format:

MV File File

2. Command function:

What to move to where?

3. Command parameters:

No

4. Command instance:

Example 1:mv/root/1.txt/root/share

Head

1. Command format:

Head [options] File

2. Command function:

Show the beginning of file (10 rows by default)

3. Command parameters:

-N Display number of rows

4. Command instance:

Example 1:head-n 5 1.txt showing the first 5 rows

Tail

1. Command format:

Tail file

2. Command function:

Show file's last line (10 rows by default)

3. Command parameters:

-N Display number of rows

4. Command instance:

Example 1:tail-n 5 1.txt display after 5 rows

Find

1. Command format:

Find location [parameter] condition

2. Command function:

Find

3. Command parameters:

-name Search by name

-type Find By Type

-mtime Search by modified time

4. Command instance:

Example 1:find/-type d-mtime 15 | Xargs rm-f Delete directories up to 15 days ago

Instance 1:find/-type f-mtime 15-exec rm {} \; Delete files up to 15 days ago

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Common basic commands for Linux