How to find all files containing specific text on Linux?
In linux, to find all files containing a specific text, we can use the grep command, which can search for the specified text in the...
6 methods of executing historical commands in linux bash
!! - repeat the previous command; !t - repeat the previous command headed by t; !Number - repeat the previous command with number ......
How to display full path/absolute path with ls command
linux ls full path, you can use the ls -d option combined with the environment variable $PWD. syntax: ls -d $PWD/*...
man command tutorial in linux/unix with examples
Man command in Linux/unix is used to display the user manual of any command we can run on the terminal....
help command tutorial in linux/unix with examples
Help command can help you understand any built-in commands in linux/unix. Syntax: help name, name: built-in function name....
5 ways to get command help in linux/unix
How to get command help while working on Shell ? 1.command -h or --help 2.man command 3.help command 4.info command 5.whatis command ...
lsof command tutorial in linux/unix with examples and use cases
The lsof command can not only view the files and directories opened by the process, but also view the socket-related information such as the port...
I/O redirect in linux/unix with examples
I/O redirection is a process that captures the output of a command, application, or script, and then sends the captured output as input to a...
How to use top command to monitor cpu usage in linux/unix
Linux top command monitor CPU: to monitor system CPU usage, to monitor the usage of multiple cores of the system CPU, to sort...
Shell tutorial
The Shell is a program written in C language, it is a bridge use Linux users.The Shell is a command language and a programming language.Shell...
df command tutorial in linux/unix with examples and use cases
linux df command – report file system disk space usage linux df command displays the amount of disk space available on the file system containing...
du command tutorial in linux/unix with examples and use cases
Linux du command – estimate file space usage Linux du command recursively summarizes the disk usage of a file or directory. Syntax Options -0, –null...
mkdir command tutorial in linux/unix with examples and use cases
linux mkdir command – make directories Linux mkdir command is used to create directories. If the directory does not exist, it is created. Syntax Options...
rmdir command tutorial in linux/unix with examples and use cases
linux rmdir command – remove empty directories Linux rmdir command is used to remove directories. If the directory is empty, it is removed. If the...
touch command tutorial in linux/unix with examples and use cases
Linux touch command – change file timestamps Linux touch command is used to modify the time attributes of a file or directory, including access time...