LINUX CHEATSHEET

man [command]: Gives manual information on a command
ls: Lists the contents of current directory. Use ls -l to give more details.
cd [directory name]: Allows changing of directories. Use cd ../ to go back a directory.
mkdir [directory name]: Creates a directory.
rmdir [directory name]: Removes a directory. Use `rm -r [directory name] to remove the directory and its contents.
rm [filename]: Removes a file.
cp [original filename] [new filename]: Copies a file. For example, to copy all text files in a location to a destination, use cp *.txt destionation/.
mv [original filename] [new filename]: Moves a file.
vi [filename]: Opens a file for viewing or editing.
grep [pattern] [file]: Finds an expression in a file.
*: Wildcard to match any string of characters.
?: Wildcard to match any single character.
pwd: Gives directory tree for present working directory.
chmod 774 [filename]: Changes permissions to read, write, and execute for you and your group. Useful when a file says “permission denied.”
sed -i "s/[originalstring]/[newstring]" [filename]: Replaces [originalstring] with [newstring] anywhere in a file.
squeue: Shows all the jobs in the SLURM queue. Use watch squeue to update this list every two seconds. Add -u [username] to limit to a certain user.

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