tag做的最好的网站,婚纱摄影网站建设公司,asp添加网站管理员,公司的网站建设是什么部门cd -返回之前的目录cd !$ 把上个命令的参数作为这个命令的参数阅读目录(Content)1.命令格式#xff1a;cd [目录名]2.命令功能切换当前目录至 [目录名]3. 常用范例1.进入系统根目录命令#xff1a;cd /说明#xff1a;进入系统根目录,上面命令执行完后拿ls命令看一下#x…cd -返回之前的目录cd !$ 把上个命令的参数作为这个命令的参数阅读目录(Content)1.命令格式cd [目录名]2.命令功能切换当前目录至 [目录名]3. 常用范例1.进入系统根目录命令cd /说明进入系统根目录,上面命令执行完后拿ls命令看一下当前目录已经到系统根目录了输出hchc-virtual-machine:~$ pwd/home/hchchc-virtual-machine:~$ cd /hchc-virtual-machine:/$ lsbin dev initrd.img lib64 mnt root snap sys varboot etc initrd.img.old lostfound opt run srv tmp vmlinuzcdrom home lib media proc sbin swapfile usrpwd的作用是查询当前所在目录2. 返回父级目录命令cd ..输出hchc-virtual-machine:~/PycharmProjects$ pwd/home/hc/PycharmProjectshchc-virtual-machine:~/PycharmProjects$ cd ..hchc-virtual-machine:~$ pwd/home/hc3.进入当前目录的父目录的父目录命令cd ../..输出hchc-virtual-machine:~/PycharmProjects$ pwd/home/hc/PycharmProjectshchc-virtual-machine:~/PycharmProjects$ cd ../..hchc-virtual-machine:/home$ pwd/home4. 进入当前用户主目录“当前用户主目录”和“系统根目录”是两个不同的概念。进入当前用户主目录有两个方法。命令1cd直接输入cd然后回车输出hchc-virtual-machine:~/PycharmProjects/my_test$ pwd/home/hc/PycharmProjects/my_testhchc-virtual-machine:~/PycharmProjects/my_test$ cdhchc-virtual-machine:~$ pwd/home/hc上面的命令是我在非root用户下操作的现在我切换到root用户下再操作一遍hchc-virtual-machine:~/PycharmProjects/my_test$ sudo suroothc-virtual-machine:/home/hc/PycharmProjects/my_test# pwd/home/hc/PycharmProjects/my_testroothc-virtual-machine:/home/hc/PycharmProjects/my_test# cdroothc-virtual-machine:~# pwd/root命令2cd ~输出hchc-virtual-machine:~/PycharmProjects/my_test$ pwd/home/hc/PycharmProjects/my_testhchc-virtual-machine:~/PycharmProjects/my_test$ cd ~hchc-virtual-machine:~$ pwd/home/hc5. 跳转到指定目录命令cd /home/hc/PycharmProjects/my_test/输出hchc-virtual-machine:/$ pwd/hchc-virtual-machine:/$ cd /home/hc/PycharmProjects/my_test/hchc-virtual-machine:~/PycharmProjects/my_test$ pwd/home/hc/PycharmProjects/my_test6.返回进入此目录之前所在的目录命令cd -说明自动跳转到进入此目录之前所在的目录并输出所在目录名称输出hchc-virtual-machine:/$ pwd/hchc-virtual-machine:/$ cd /home/hc/PycharmProjects/my_test/hchc-virtual-machine:~/PycharmProjects/my_test$ pwd/home/hc/PycharmProjects/my_testhchc-virtual-machine:~/PycharmProjects/my_test$ cd -/hchc-virtual-machine:/$ pwd/7. 把上个命令的参数作为cd参数使用命令cd !$输出:hchc-virtual-machine:~/PycharmProjects/my_test$ pwd/home/hc/PycharmProjects/my_testhchc-virtual-machine:~/PycharmProjects/my_test$ ls /opt/googlehchc-virtual-machine:~/PycharmProjects/my_test$ cd !$cd /opt/hchc-virtual-machine:/opt$ pwd/opt
