Rookie Advanced Linux Master Road--fifth day (next)

Tag: case-Sensitive execution file third-party software shared root directory

/mnt: Additional temporary file system

/opt: Optional directory, installation directory for third-party programs

/proc: Pseudo file system, kernel mapping file (System tuning Focus)

/sys: Pseudo file system, property mappings related to hardware devices. Hard disk

/ tmp: Temp file →/var/tmp

/bin: Binary, executable file, user command

/sbin: Managing Commands

/ usr: Shared read-only, which shares read-only files globally.

/usr/local

/usr/local/bin

/usr/local/sbin〉 these directories for third-party software

/usr/local/lib

Linux Naming conventions

1. Length cannot exceed 255 characters

2. Cannot use/when file name

3. Strictly case-sensitive

relative path : In relation to the current position

Absolute path : Find from root directory

Directory Management :

1.ls

2.cd

3.pwd

mkdir: Creating an empty Directory

Tree: Viewing the directory tree

-p:/m/n/z, create together

-v:verbose, detailed procedure

/mnt/test/x/m,y

Method 1,: mkdir-pv/mnt/test2/x/m,/mnt/test2/x/y

Simplified: mkdir-pv/mnt/test2/{x/m,y}

↓

Curly braces unfold

Delete directory : rmdir (remove directory)

↓

Delete Empty directory:-p, apply to delete single-line directory,/x/y/z

File creation and deletion

Touch

-a-t-m-c

#stat View related properties

To create a file, you can use the file editor. (Nano)

ASCII: US standard Information Interchange code

Delete file : RM

-I \rm, not prompt

-F, forcibly delete

-R, recursively deletes all files under the directory

This article is from the "12427174" blog, please be sure to keep this source http://12437174.blog.51cto.com/12427174/1886856

Rookie Advanced Linux Master Road--fifth day (next)