Find the rows that contain abcde from file /etc/testfile, and write it to the file/tmp/testfile, and the sequence is requested as the same as /etc/testfile.
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.
Create a user named alex, and the user id should be 1234, and the password should be alex111.
Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server.)
Configure a HTTP server, which can be accessed through
http://station.domain40.example.com.
Please download the released page from http://ip/dir/example.html.