touch (command)

touch is a command used to update the access date and/or modification date of a computer file or directory or to create it.

• touch /etc/resolv.conf
• touch: cannot touch '/etc/resolv.conf': No such file or directory

touch file.txt
touch: cannot touch 'file.txt': Read-only file system

• mkdir -p "$(dirname "$1")" && touch "$1"

• touch ~/.ssh/authorized_keys

• touch .pg_service.conf

missing file operand

 touch
touch: missing file operand
Try 'touch --help' for more information.

Related commands

• truncate
• fallocate
• type nul > authorized_key (Windows)
• rm
• mkdir -p
• install -D /dev/null /path/to/createfile.txt

See also

• file, File system, directory, touch, mkdir, ls, ln truncate, fallocate, split, stat, inode, File descriptor, superblock, block size (blockdev), fuser, lsof, scrub, chattr, ulimit (nofiles), cp, mv, file (command), mkfifo, chmod

https://en.wikipedia.org/wiki/Touch_(command)