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Prints terminal name uname: Prints system information unlink: Removes the specified file using the unlink function uptime: Tells how long the system has been running users: Prints the user names of users currently logged into the current host who: Prints a list of all users currently logged in whoami: Prints the effective userid: yes: Prints a ...
Any number of additional repositories can be added to APT's sources.list configuration file (/etc/apt/sources.list) and then be queried by APT. Graphical front ends often allow modifying sources.list more simply (apt-setup). Once a package repository has been specified (like during the system installation), packages in that repository can be ...
These commands are only effective in the long-run if the user makes the changes persistent. However, the settings the user can set via hdparm are reverted each time the system is rebooted. Therefore, it might be wise to restore the personal settings upon boot. An appropriate place that exists in most Linux distributions is the /etc/rc.local script.
In SeaMonkey and later versions of Netscape, choose Edit Preferences…, expand the "Advanced" section and choose "Cache". Click on the "Clear Cache" button. If you would like to keep your data in your cache and test Wikipedia with an empty cache, you can use Private Browsing mode. To disable caching in Firefox (not recommended for most users):
rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows. The command is also available in the ...
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Readahead is a system call of the Linux kernel that loads a file's contents into the page cache.This prefetches the file so that when it is subsequently accessed, its contents are read from the main memory rather than from a hard disk drive (HDD), resulting in much lower file access latencies.
CacheFS is a family of software technologies designed to speed up distributed file system file access for networked computers. [citation needed] They store copies of files on secondary memory, typically a local hard disk, so that if a file is accessed again, it can be fetched locally at much higher speeds than networks typically allow.