linux

• The command to create a new directory is mkdir.
• /tmp is used by applications to store temporary files
• /dev is the device file system, which provides access to hardware devices such as disks, keyboards, mice, printers, etc.
• The /proc directory contains information about running processes.
• To change the permissions of a file or directory, use chmod (change mode).
• cp copies files from one location to another.
• /sys is an interface to kernel objects such as hardware, drivers, modules, etc.
• The /var directory holds variable data that changes over time, including log files, spool directories, databases, and other dynamic content.
• The /run directory stores runtime data generated during bootup or while the system is running.