linux cd ripper

Copy the source code to the z.sh file in your user directory and open it with vim. BASHRC This directory, add "source/home/yourname/z.sh" at the end.Then go back to shell execution: source. bashrc. So this thing will come into effect.For example, after running CD/HOME/A/B/C/D, Linux enters the D directory and then enters ZThis is the system will save the path/home/a/b/c/d to D, next time you just enter Z D

Prerequisite: Your CD can be started directly, recommended to use the CD to start the installation. First, the preparatory work: 1. Note the size of each partition before installation, to facilitate the selection of partitions to check to avoid operation errors, loss of useful data. 2. Ready to create a Linux desktop system co-create 1.0.3 installation

us to use the following executable file as the/tmp/command. If you want the modified PATH to take effect permanently:[Email protected] ~]# Vim/etc/profileAdd the following line to the file:Path=: $PATH:/tmpOf course, the above modification is for all users, in order to target a user, modify:[[email protected] ~]# vim./.bash_profileAfter modification, the restart takes effect or uses the source command:[Email protected] ~]# source/etc/profile//Source ~/.bash_profile5.

001_linux common Commands ls, mkdir, CD, PWD, RmDir, RM, CP, MV, LN===================== Body ===============================XXXXXX directory and File command xxxxxx1.lsls [options] [file or directory]Options:-a----show all files, including hidden files-L----Show details (long means display eg:ls-l)-d----View Directory properties-H----User-friendly display of file size (human shows the format that adults can read)-I----show inode Add: LL = = Ls-l-----

directory, the Shell records the previous directory location in the environment variable OLDPWD4, the instance CD enters the user main directory;pwd/rootCD ~ Enter the user's home directory;[[Email protected] ~]# CD ~pwd/~]#CD-Returns the directory where the directory was before it entered; pwd/~]# CD/-/pwd/rootCD: Re

protected]/]#[Email protected]/]# pwd/Go to the previous directory, which is the home directory of root[[email protected] ~]# CD/[Email protected]/]# cd/root/[[email protected]/]# pwd //show current working path /rootOr[[email protected]/]# CD ~ //~ represents the home directory of the current user [Email protected] ~]#[Email protected]/]# pwd/rootOr[Email prote

%end%postrm-rf/etc/yum.repos.d/*Cat >/etc/yum.repos.d/base.repo [Base]Name=baseBaseurl=http://172.17.0.1/centos/6Gpgcheck=0Eof4. Customize the exclusive MenuVim Isolinux.cfgDefault Vesamenu.c32#prompt 1Timeout 600Display Boot.msgMenu background splash.jpg #定制背景图片, color size sizeMenu title Welcome to CentOS autoinstall!Menu Color Border 0 #ffffffff #00000000Menu Color SEL 7 #ffffffff #ff000000Menu Color Title 0 #ffffffff #00000000Menu Color tabmsg 0 #ffffffff #00000000Menu Color Unsel 0 #fffffff

directory cannot be deleted because the TMP directory has other files in addition to the 123 directory, and the directory/123/456/789,/123/456,/123 have been deleted.Four, RM commandRM commands can be used to delete files and directoriesFor example, I first create a directoryMkdir-p/tmp/123/456/789And then create a textTouch/tmp/123/456/789/123.txtPerformRm/tmp/123/456/789/123.txtWill ask whether to delete the normal empty file/tmp/123/456/789/123.txt Enter Y for Yes, delete the file;rm/tmp/123

directory, delete-F is directly forcibly deleted, without any hint of meaning2. Delete directory can use RmDir, but can only delete empty foldersMV CommandThe MV command is an abbreviation of move, which can be used to move files or rename files, and is a common command used in Linux systems, often to back up files or directories.CP CommandThe CP instruction is used to copy a file or directory, such as specifying more than two files or directories at

Configuration[[email protected] ~]# cd/etc/yum.repos.d///Switch to/ETC/YUM.REPOS.D directory[[email protected] yum.repos.d]# ls//List ContentsRhel-debuginfo.repo[[email protected] yum.repos.d]# cp Rhel-debuginfo.repo Rh-server5.9.repo//copy yum template[[email protected] yum.repos.d]# cat Rh-server5.9.repo //View the contents of the document##########################################################Correct configuration of document format[Rh-server]n

Directive: CDSwitch the current directory to the target directorySyntax: # CD [directory name]Usage examples1. Enter the/home/doiido directory# Cd/home/doiidoView your current directory# pwd2. Enter the Doiido directory in the current year directory# CD DoiidoIn fact, the above two examples involve relative paths and absolute path problems, see relative and absol