Directory Management Mkdir,rmdir,tree
mkdir Creating a file directory
-P: Create parent directory path on Demand
-V: Display procedure
-M: given permission to create a directory
RmDir Deleting a file directory
-V:
-P: Delete the specified directory if the parent directory is empty
For example:
/tmp/{x,y,z} =/tmp/x/tmp/y/tmp/z
/tmp/{x/y, m/{m,n}} =/tmp/x/y/tmp/m/m/tmp/m/n
/tmp/{x,y}/z =/tmp/x/z/tmp/y/z
~]# MKDIR-PV Rootfs/{bin,sbin,lib,lib64,tmp,usr/{,local}/{bin,sbin},var/{log/httpd,spool}}
Rootfs
├──bin
├──lib
├──lib64
├──sbin
├──tmp
├──usr
│├──bin
│├──local
││├──bin
││└──sbin
│└──sbin
└──var
├──log
│└──httpd
└──spool
tree structure display file list
-L Level: Maximum number of directory layers displayed in a tree structure, level=num
-p:pattern:list only those files that match the Wild-card pattern, based on the glob mechanism;
-D: Show only directories
File View Cat,tac,more,less,head,tail
More
Less
Head View the first n rows of the file
-N #:
-#:
Tail viewing files after n rows
-N #:
-#:
-F: View the end of the file after the content does not exit, blocked on the file, append new content, will continue to display. may be used to catch logs
Stat display file meta data (metadata), inode stored in file system
Block Size (data): Blocks
File time stamp
Atime:access Tim, the last time the file was visited;
Mtime:modify time, the date when the file was last modified (data);
Ctime:change time, when the file was last modified (metadata);
Touch
-T STAMP:[[CC]YY]MMDDHHMM[.SS]
-A: Modify Atime only
-M: Modify Mtime only
-C: Do not create file//touch a nonexistent directory or file is created automatically
ForExample:
Touch $ (date +%f-%h-%m-%s)//Create a Date folder in the current user directory
File management tools CP,MV,RM
CP Copy file source file, target file
Single source copy CP [OPTION] ... [-T] SOURCE DEST
Multi-source replication cp [OPTION] ... SOURCE ... DIRECTORY
CP [OPTION] ...-t DIRECTORY SOURCE ...
-I: Interactive replication, reminding users to confirm when overwriting files of the same file name
-F: Force overwrite files with the same name
-R: Or-R recursive runes directory and content
-p:no dereference, copy the link file itself instead of the default copy link file that points to the contents of the source file
-a:archive, archive replication //Only administrators can retain the owner and owner group attributes
MV Move file source file directory is the same as the destination file, rename it, otherwise move
-I: Interactive
-F: Mandatory
RM//Please do not perform "RM-RF/" or "RM-RF/*"
-I: Interactive
-F: Mandatory
-r:-r removing directories and content recursively
This article is from the "Miabon" blog, make sure to keep this source http://9733489.blog.51cto.com/9723489/1748169
Catalog File Management Tools