Swap space is an area in the secondary storage device which is used to supplement system RAM by holding the inactive pages of memory. The combination of system RAM and swap space is referred to as Virtual memory. When the available RAM usage exceeds a specified limit then the kernel will write idle pages belonging …
Partitioning a disk allows you to create separate sections within the disk inorder to manage your data more efficiently. For example, in Windows you have C, D or E drives. There are various uses of partitioning a disk like:a) Allows to boot different OS from same diskb) Allocate separate partition to different usersc) Creating separate …
The standard Linux permissions are suitable for most situations but they have their own limitations. The standard permissions limit access to file owner, group owner and others. But, what-if we want to grant specific permission to another named user, other than the user-owner or another named group other than the group-owner. Access Control List (ACL) …
As a user if you want to schedule certain activities which should repeat themselves on their own at some time in the future i.e., you want to schedule recurring tasks then use the crontab command. In this post we will learn scheduling recurring tasks using crontab command There are different ways to use the crontab …
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The output of a process can be either redirected to a file or to another process i.e., the output of a command will not appear on the screen but will be saved in a file or it can act as an input of another command. The redirection operators like >, >>, &>, 2> etc are …
Links in Linux are like Short-cuts in Windows. We create a shortcut for a file/folder in Windows so that the original file can be accessed from multiple locations. The same concept goes for links. Links help to access the file from multiple directories. Before we learn how to create links using ln command in Linux, …
mv command in Linux is used to move files from one directory to another. This is similar to cut-paste operation. mv command can also be used to rename files. Syntax $ mv [OPTION]…SOURCE…Directory The SOURCE here means all the files that you want to move and the last argument must be a Directory where you …
How to move and rename files using mv command in Linux? Read More »
The cp command in Linux is used to copy files and directories. Syntax $cp [OPTION]… SOURCE…Directory The SOURCE here means all the files that you want to copy and the last argument must be a Directory where you want to copy the files For Example $cp notes.txt D1 will copy the file notes.txt to directory …
rmdir command in Linux is used to delete empty directories. Empty directory means a directory which do not have files or sub-directories. So, lets learn how to use mkdir command in Linux. Syntax $rmdir [OPTION]…DIRECTORY… Example The example above shows the deletion of directory Dir using rmdir command in Linux. Options used with rmdir in …
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mkdir command in Linux is used to create new directories. What you call Folders in Windows are called Directories in Linux. Creating directories is important as they help to organize the files. So, lets learn how to use mkdir command in Linux. Syntax mkdir [OPTION]…DIRECTORY… creates directories if they do not already exist. Example the …
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