Unix Cheat Sheet (Page 2 of 4) in pdf

Unix Cheat Sheet Page 2

Change user password

passwd

Copy a file or directory

cp {file1} {file2}

Recursive, copy directory and all

cp -r {dir1} {dir2}

subdirs.

Append newfile to end of oldfile.

cat {newfile} >> {oldfile}

Move (or rename) a file

Moving a file and renaming it are the

mv {oldfile} {newfile}

same thing.

mv {oldname} {newname}

Delete a file

? and * wildcards: "?" is any character;

rm {filespec}

"*" is any string of characters.

Good strategy: first list a group to make

ls {filespec}

sure it's what's you think...

rm {filespec}

...then delete it all at once.

View a text file

View file one screen at a time.

more {filename}

Like more, with extra features.

less {filename}

View file, but it scrolls.

cat {filename}

View file one screen at a time.

cat {filename} | more

Create and edit a text file.

emacs {filename}

pico {filename}

vi {filename}

Compare two files

Show the differences.

diff {file1} {file2}

Show files side by side.

sdiff {file1} {file2}

Unix Cheat Sheet Page 2