1. Display the lines in the/proc/meminfo file that begin with a non-differentiated s;
2. Display the line ending with Nologin in/etc/passwd;
3, display/etc/inittab in the beginning of #, and followed by one or more white space characters, followed by any character line;
4, display/etc/inittab contains: A number: (that is, two colons in the middle of a number) line;
5. Display lines that start with one or more whitespace characters in the/boot/grub/grub.conf file;
6. Display a line in the
/etc/inittab file that begins with a number and ends with a number that is the same as the beginning number;
7, ifconfig command can display the current host IP address related information, etc., if using grep and other text processing commands to remove the IP address of the machine, the requirements do not include 127.0.0.1;
8, display the/etc/sysconfig/network-scripts/ifcfg-eth0 file contains a similar IP address dotted decimal number format line;
Reprint please indicate Xiao Liu
Linux grep exercises
