# For basic OS utilities

* `mktemp`: creates a temporary file in /tmp and returns filename

## `mount`

Set file permissions of mounted drive at mount time:

    mount /dev/foo /mnt/bar -o umask=000

## Setting up a swap file

From https://linuxize.com/post/create-a-linux-swap-file/

    sudo fallocate -l 1G /swapfile
    # or if the above fails:
    # sudo dd if=/dev/zero of=/swapfile bs=1024 count=1048576
    sudo chmod 600 /swapfile
    sudo mkswap /swapfile
    sudo swapon /swapfile
    # Add to /etc/fstab
    /swapfile swap swap defaults 0 0
    # Check with
    free -h