Linux-cp-mv-rm

CP [OPTION] ... [-T] SOURCE DEST

CP [OPTION] ... SOURCE ... DIRECTORY

CP [OPTION] ...-t DIRECTORY SOURCE ...

CP SRC DEST    SRC is a file:                  If Dest does not exist, copy src to dest                  if dest exists                       If Dest is a file, overwrite                       if Dest is a directory, Copy src to dest and keep original cp src... dest     if SRC is a file and more than one, then dest must be a directory       If there is a directory in SRC, use the-r option (cp -r src... dest)     -P:  Copy the symbolic link file itself, Instead of the target file it points to   -p (--preserve=all):  --preserve=mode,ownership,timestamps or--preserve=all   --preserve[=attr_list]      mode:  Permissions        ownership:  owner, Group       timestamps: Timestamp  -a (--archive): -dr --preserve=all -d:  Copy the destination file that the symbolic link file points to  -R:  recursive replication  -i:  Interactive  -f:  Enforcement

MV Command

MV Src ... dest-i: interactive

RM command

RM [OPTION] ... File...-i:interactive-f: force-r/-r: Recursive--no-preserve-root

If you enter the interactive mode incorrectly, you can correct the re-entry in the following way

Full Screen editor Nano

#nano写入内容 Ctrl+o Enter file name--Enter ctrl+x save exit

Text-Processing class commands

#wc-L-w-c file#cut-d (delimiter)-F (reserved field)-f1,7-f1-7

#sort [OPTION] ... [FILE] ...-f: ignore the case of character-T: Specify delimiter-K: Specifies the field to be compared after the column-N: Sort by numeric Size-u: Sort after to reset

#uniq-D: Show only duplicate Rows-u: Show only non-repeating rows-C: Shows the number of occurrences of each row

Linux-cp-mv-rm