1，ls 命令
ls用来打印出当前目录的清单
ls -l/-h/-a
-h 人性化显示
-a 连同隐藏文件都显示出
-F 可执行文件特殊显示带上*
[ligang@centos6 test4]$ ls file file1 folder folder2 folder3 [ligang@centos6 test4]$ touch .haha [ligang@centos6 test4]$ ls file file1 folder folder2 folder3
[ligang@centos6 test4]$ ls -a
. .. file file1 folder folder2 folder3 .haha [ligang@centos6 test4]$ ls -lh total 12K -rw-r--r-- 1 ligang trainning 0 Mar 8 05:28 file -rw-r--r-- 1 ligang trainning 0 Mar 8 05:29 file1 drwxr-xr-x 2 ligang trainning 4.0K Mar 8 05:29 folder drwxr-xr-x 2 ligang trainning 4.0K Mar 8 05:30 folder2 drwxr-xr-x 2 ligang trainning 4.0K Mar 8 05:29 folder3 [ligang@centos6 test4]$ ls -la total 20 drwxr-xr-x 5 ligang trainning 4096 Mar 8 06:08 . drwx------ 15 ligang trainning 4096 Mar 8 04:41 .. -rw-r--r-- 1 ligang trainning 0 Mar 8 05:28 file -rw-r--r-- 1 ligang trainning 0 Mar 8 05:29 file1 drwxr-xr-x 2 ligang trainning 4096 Mar 8 05:29 folder drwxr-xr-x 2 ligang trainning 4096 Mar 8 05:30 folder2 drwxr-xr-x 2 ligang trainning 4096 Mar 8 05:29 folder3 -rw-r--r-- 1 ligang trainning 0 Mar 8 06:08 .haha [ligang@centos6 test4]$ ls -lah total 20K drwxr-xr-x 5 ligang trainning 4.0K Mar 8 06:08 . drwx------ 15 ligang trainning 4.0K Mar 8 04:41 .. -rw-r--r-- 1 ligang trainning 0 Mar 8 05:28 file -rw-r--r-- 1 ligang trainning 0 Mar 8 05:29 file1 drwxr-xr-x 2 ligang trainning 4.0K Mar 8 05:29 folder drwxr-xr-x 2 ligang trainning 4.0K Mar 8 05:30 folder2 drwxr-xr-x 2 ligang trainning 4.0K Mar 8 05:29 folder3 -rw-r--r-- 1 ligang trainning 0 Mar 8 06:08 .haha
2，dir 切换当前目录至dirName
cd/cd~ 回到用户主目录
cd / 进入系统根目录
cd - 返回进入此目录之前所在目录
[ligang@centos6 test4]$ cd / [ligang@centos6 /]$ cd [ligang@centos6 ~]$ [root@localhost soft]# pwd /opt/soft [root@localhost soft]# cd - /root [root@localhost ~]# pwd /root [root@localhost ~]# cd - /opt/soft [root@localhost soft]#
3，pwd
pwd
命令来查看”当前工作目录“的完整路径
pwd显示的是连接路径
pwd -P 显示出实际路径
/bin/pwd 选项
[ligang@centos6 init.d]$ pwd /etc/init.d [ligang@centos6 init.d]$ /bin/pwd /etc/rc.d/init.d [ligang@centos6 init.d]$ pwd /etc/init.d [ligang@centos6 init.d]$ pwd -L /etc/init.d [ligang@centos6 init.d]$ pwd -P /etc/rc.d/init.d