Web hosting compare - 266 Part II . Getting Around in Linux
266 Part II . Getting Around in Linux Table 6-24 Options Used with quotaon and quotaoff Option Use with quotaon Use with quotaoff -a Enables quotas for all file systems in /etc/fstab that are configured with read/write quotas. Disables quotas for all file systems listed in /etc/fstab. -v Displays a message for each file system with quotas enabled. Displays a message for each file system affected. -u Enables user quotas; this is the default action. Disables user quotas; this is the default action. -g Enables group quotas. Disables group quotas. Key Point Summary File management is an important part of working with any system. Linux provides a variety of powerful tools that make this task easier and allow greater control over files. These tools are extremely important to understand for daily work with Linux systems and essential for the exams. Be sure that you are familiar with all points in the summary presented here before scheduling your exams. . Directory changing is done with the cd command. . Directory contents are displayed using ls. . The file command is useful for examining files to determine file type. . The touch command is used to create files and change time stamps on existing files. . Files are copied with cp and moved or renamed with mv. . The dd command is useful for copying and converting files simultaneously. . The rm command is used to delete files. . The mkdir command creates new directories. . The /etc directory contains configuration files; the /etc/skel directory contains files copied to each user s home directory. . The /usr directory contains /usr/binwith binaries executed by users, /usr/sbin with binaries executed by root user, /usr/local with applications that aren t part of the Linux operating system, /usr/local/bin with third-party software used by users, and /usr/local/sbin with software used by the root user that is installed after the initial operating system installation.
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