linux基础命令4

创建文件夹

# mkdir note

# ll -d note/

drwxr-xr-x. 2 root root 4096 Feb 22 15:53 note/

# mkdir {1,2}

#ll

total 8

drwxr-xr-x. 2 root root 4096 Feb 22 15:56 1

drwxr-xr-x. 2 root root 4096 Feb 22 15:56 2

head命令

# head -1 /etc/passwd

root:x:0:0:root:/root:/bin/bash

tail命令

# tail -1 /etc/passwd

alex:x:8017:8019::/home/alex:/bin/bash

touch命令

# touch 1.txt

# stat 1.txt

File: `1.txt'

Size: 5 Blocks: 8 IO Block: 4096 regular file

Device: fc01h/64513d Inode: 1972007 Links: 1

Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)

Access: 2017-03-02 22:39:56.383774146 +0800

Modify: 2017-03-02 22:39:56.383774146 +0800

Change: 2017-03-02 22:39:56.383774146 +0800