Master the RHEL9 basic essential commands
Friends, in this video i will cover all basic linux commands
ls,pwd,cd,man,date,cal,touch,cat,rm,vim,nano,mkdir,rmdir,cp,more,less,head,tail,ps -ef,wc,kill,sort,top,chmod,grep
ls- ls is a Linux shell command that lists directory contents of files and directories. It provides valuable information about files, directories, and their attributes.
Syntax of `ls` command in Linux
ls [option] [file/directory]
‘ls’ will display the contents of the current directory. By default, ‘ls’ lists files and directories in alphabetical order.
Commonly Used Options in `ls` command in Linux
Options Description
-l known as a long format that displays detailed information about files and directories.
-a Represent all files Include hidden files and directories in the listing.
-t Sort files and directories by their last modification time, displaying the most recently modified ones first.
-r known as reverse order which is used to reverse the default order of listing.
-S Sort files and directories by their sizes, listing the largest ones first.
-R List files and directories recursively, including subdirectories.
-i known as inode which displays the index number (inode) of each file and directory.
-g known as group which displays the group ownership of files and directories instead of the owner.
-h Print file sizes in human-readable format (e.g., 1K, 234M, 2G).
-d List directories themselves, rather than their contents.