grep "some string" file\
The grep command searches for patterns in each file. It also looks for patterns separated by newline characters, and grep prints each line that matches a pattern.
pwd\
The pwd command is a command-line utility for printing the current working directory.
touch somefile\
The touch command is used to create a file without any content. The touch command can be used when the user doesn’t have data to store at the time of file creation.
$ rm someFile\
Rm stands for remove, which does exactly what it says it does. Removes, or in other words, deletes a file
rm -rf some-directory\
By default, the rm command doesn’t remove directories. You need to pass the -rf flag to remove directories.
rmdir some-directory
The rmdir command removes the directory if there’s no content inside the directory.
find path -name filename\
The find command lets you quickly lookup a file or directory. It’s useful when you’re working on a big project with hundreds of files and multiple directories.
mv somefile /to/some/other/path\
The mv command moves files or directories from one place to another. The mv command supports moving single files, multiple files, and directories.