Opens X in the default text editor (macOS: TextEdit)Ĭreate an empty file X or update the access and modification times of X.ĭisplay the first 10 lines of X. Remove a directory Y permanently, provided Y is empty. Recursively delete a directory Y and its contentsįorcibly remove file X without prompts or confirmationįorcibly remove directory Y and its contents recursively

If Z exists, copy source Y into it otherwise, create Z and Y becomes its subdirectory with Y’s contents Recursively copy a directory Y and its contents to Z. f2/expenses.txt simultaneously copies the file file.txt to the new location with a new name expenses.txt. Usage similar to mv both in moving to a new directory and simultaneously renaming the file in its new location.Įxample: cp. Renaming a file: mv new_doc.txt expenses.txtĬopy a file from path A to path B. The file name will remain unchanged, and its new path will be. Moving between directories folder1 and folder2: Make a new directory named X inside the current directory.

Outputs the difference.ĭisplay the path of the current working directory.

No output if A and B are identical, outputs character and line number otherwise.Ĭompare two files A and B for differences. Up one level to enclosing folder or parent directoryĬompare two files A and B for sameness. Sort the files/folders according to the last modified time/date, starting with the most recently modified item May be combined with ls -l to form ls -al. Options include -l, -a, -t which you may combine, e.g., -alt.Īlso show details of each item displayed, such as user permissions and the time/date when the item was last modifiedĪlso display hidden files/folders. List the names of files and subfolders in the current directory. Wildcard symbol referring to a single character, e.g., Doc?.docx can refer to Doc1.docx, DocA.docx, etc. Wildcard symbol for variable length, e.g., *.txt refers to all files with the TXT extension In the following commands: X may refer to a single file, a string containing a wildcard symbol referring to a set of multiple files, e.g., file*.txt, or the stream output of a piped command (in which case the syntax would be X | command instead of command X) Y is a single directory A and B are path strings of files/directories. You’ll need them the most when operating Linux. We recommend that you memorize these commands. Frequently Asked Questions Essential Commands.Process Management and Performance Monitoring.

Redhat linux commands cheat sheet