How to enter linux in single-user mode

How to enter linux-general Linux technology-Linux technology and application information in single-user mode? The following is a detailed description. Modify/etc/limits once. in the conf file, change file-max to 6553600000, and the result cannot be logged on to linux or restarted. Finally, use single-user mode and modify the file-max parameter to solve the problem, the following describes how to enter Linux in single-user mode:

After grub is started, move the keyboard to the Linux Startup item; press the e key; then move the keyboard to a line similar to the following, that is, the line of the kernel:

Kernel/boot/vmlinuz-2.6.11-1.1369_FC4 ro root = LABEL =/1 rhgb quiet

Move the cursor to this line and press the e key to edit the line. At the end of the line, enter a space and linux single, which is similar to the following:

Kernel/boot/vmlinuz-2.6.11-1.1369_FC4 ro root = LABEL =/1 rhgb quiet linux single

End editing and press enter to return.