echo dot root

In phpcookie, the periods (periods) are automatically converted into underscores. In phpcookie, the dot (full period) is automatically converted to an underscore. in cookie, the dot (full period) cannot be used in phpcookie. In fact, the dot (full

After another effort, and finally completed their own more satisfactory version, we criticize more ... Batch processing function: Enter a few parameters, let batch processing on behalf of you to complete the cumbersome work bar! Remote FTP files

What is a shell?The shell typically represents two levels of meaning, one is the command interpreter, such as bash, and the other is the shell script. In this section we stand on the command interpreter's point of view to illustrate the shellCommand

One, temporary configuration network (IP, gateway, DNS) + permanent configuration1, the Temporary Configuration network IP address command is "ifconfig network card name IP address/24", for example:Ifconfig eth0 192.168.16.253/242. Temporarily

I. wildcard characters * Represents any character ranging from 0 to infinite. Example: Find the file name starting with cron under/etc/ [Root @ instructor Desktop] # ls/etc/cron * /Etc/cron. deny/etc/crontab /Etc/cron. d: 0 hourly raid-check

Often, when people refer to the "Shell scripting language", they are bash,ksh,sh or other similar Linux/unix scripting languages emerging in their minds. Scripting languages are another way to communicate with a computer. Users can move the mouse

check_type.php (using the type validation function) Copy Code code as follows: /*********************/ /* */ * version:5.1.0 * * * AUTHOR:RM * * * comment:071223 * * /* */ /*********************/ function Is_number ($STR) { if (

Shell and Export commands After the user logs on to the Linux system, a user shell is started. In this shell, you can use shell commands or declare variables, or you can create and run shell script programs. When you run the shell script program,

7.1 View a list of the shell programs available in the current Linux system[Email protected] ~]# Cat/etc/shells/bin/sh/bin/bash/sbin/nologin/bin/tcsh/bin/csh/bin/ksh7.2 Confirm some of the linked files that exist in the shell program[Email protected]

The special symbols commonly used in the shell are listed below:   #;  ;;.,/\ \ ' String ' |!   $   ${}   $? $$   $*  \ string\ * **  ?: ^ $#   $@ ' command ' {}   [] [[]] () &nbs p;  (())   | |    && {xx,yy,zz,...} ~   ~+   ~-   &   \\   +-%=