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

touch ~/.ssh/authorized_keys

Related commands

• truncate
• fallocate
• type nul > authorized_key (Windows)
• rm

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)