File operation commands
- touch
- stat
- cat
- more
- less
- head
- tail
- ln
touch
Original English meaning: change file timestamps
function: modify the timestamp of the file
Syntax: touch the file name to access the empty file, if the file does not exist, it will create a new file
stat
Original English meaning: display file or file system status
Function: Display detailed information of a file or file system
Syntax: stat option [-f] File name or directory name
stat 文件名 查看文件的详细信息
stat -f 文件名 查看这个文件所在文件系统的信息
cat
(The cat command is suitable for viewing files that are not too large)
English original meaning: concatenate files and print on the standard output
Function: merge files and print output to standard output
Syntax: cat option [-An] file name
cat -A 文件名 查看文本中的所有隐藏符号
cat -n 文件名 显示行号
more
(When the file is large, the cat command will be helpless)
Original English meaning: file perusal filter for crt viewin
Function: Display the contents of the file on a split screen
Syntax: more File name
Interactive command:
空格：向下翻页
b：向上翻页
回车键：向下滚动一行
/字符串：搜索指定的字符串
q：退出
less
(Similar to the more command, except that less is a branch display command)
(You can use the up and down arrows to view the contents of the file)
English original meaning: deposit of more
function: display the contents of the file by branch
Syntax: less File name
head
Original English meaning: output the first part of files
Function: display the content of the beginning of the file
Syntax: head option [-nv] file name
head -n行数 文件名 从文件头开始，显示指定行数
head -v 文件名 显示文件名
tail
Original English meaning: output the last part of files
Function: display the content of the end of the file
Syntax: tail option [-nf] file name
tail -n行数 文件名 从文件8末尾开始，显示指定行数
tail -f 文件名 监听文件的新增内容
ln
Original meaning in English: make links between file
function: establish a link between files, equivalent to the shortcut of Windows
Syntax: ln option [-sf] source file target file
ln -s 建立软链接文件。如果不加"-s"选项，则建立硬链接文件
ln -f 强制。如果目标文件已经存在，则删除目标文件后再建立链接文件