man is the system’s manual pager. The man command in Linux is an interface to the on-line reference manuals. It is best place to understand any command in Linux. So, lets see how to use man command in Linux? Syntax $man <argument> Example $man ls will display the manual page for ls command Description A …
Use rm command in Linux is used to delete the files. Although by default it can remove files only but rm command can also be used to delete directories using certain options (a less known fact to beginners). Syntax rm [OPTION]…[FILE]… Example The ls shows that originally there are three files. Then we use the …
In this post we are going to discuss – How to use head and tail Command in Linux head The head command is used to output a subset of lines from the file starting from the top. By default it will output the first 10 lines. Syntax of head command $head [OPTION]…[FILE]… Example $head grepfile …
grep command in Linux is used to search for patterns within a file i.e., it will help to your search for content within a file. For example, if you want to search for “help” within a file f1.txt, then you can use grep command. A pattern is different from a word. For example, the as …
The cd command in Linux is used to change the current directory. cd is a shell builtin command. Syntax cd [path] where path specifies the path of the new directory. For example: The current working directory as checked with pwd command was /home/baljit/search. Next, we use cd to change the directory to /home/baljit/cse325 Different methods …
How to change directory using cd command in Linux? Read More »
Sometimes you want to apply command on several files or a subset of files. For example, you want to delete all files whose name starts with “TH”. So there are two ways to do it. One, you delete them one by one or you specify some pattern which matches all files starting with “TH”. In …
In this post we focus on How to use touch command in Linux? Use touch command is used to update the timestamp of a file or directory. Timestamp means that it will update the access and modification times of the file or directory specified. Syntax touch [OPTION]…[FILE]… Example of How to use touch command in …
How to create files using touch command in Linux? Read More »
Use ls command in Linux is used to list the directory contents. If a directory name is not specified then the contents of the current working directory are displayed. Syntax ls [OPTION]… [FILE]… Example of How to use ls command in Linux? First, we use ls without specifying any directory name. So it displays the …
Whenever you create a file or a directory in Linux, the system automatically assign them certain permissions. So if you want to change these default permissions, you meed to use the umask command. In this post we are going to learn, How to set default file permissions using umask command in Linux. Use umask command …
How to set default file permissions using umask command? Read More »
As a beginner, we open the terminal and start using the commands in any Linux distribution. But, have it ever occured to your mind that where are you performing all your tasks i.e., if you have created a file, then where it is created, in which directory it is created? If you used ls command …
How to know working directory using pwd command in Linux? Read More »