touch Linux Commands
What is Linux touch Command?
Explanation
touch COMMAND:touch command is used to update last modified time and date of a file. It is also used to create a new empty file with current date and time.SYNTAX :
touch [options] FileOPTIONS:
-a
update only the access time.
-B, --backward=SECONDS
Modify the time by going back SECONDS seconds.
-c, --no-create
do not create any files.
-d, --date=STRING
parse STRING and use it instead of current time.
-m
change only the modification time.
--time=WORD
set time given by WORD: access atime use (same as -a) modify mtime (same as -m).
-t STAMP
use [[CC]YY]MMDDhhmm[.ss] instead of current time.
EXAMPLE:
-
touch test.php
Output:
In the above example, the command checks whether the file test.php already exists.
If exists, it just modifies the date and time of the file.
Else, it creates a new file named 'test.php' with the current date and time.
touch [options] File
OPTIONS:
-a
update only the access time.
-B, --backward=SECONDS
Modify the time by going back SECONDS seconds.
-c, --no-create
do not create any files.
-d, --date=STRING
parse STRING and use it instead of current time.
-m
change only the modification time.
--time=WORD
set time given by WORD: access atime use (same as -a) modify mtime (same as -m).
-t STAMP
use [[CC]YY]MMDDhhmm[.ss] instead of current time.
EXAMPLE:
-
touch test.php
Output:
In the above example, the command checks whether the file test.php already exists.
If exists, it just modifies the date and time of the file.
Else, it creates a new file named 'test.php' with the current date and time.
| -a | update only the access time. |
| -B, --backward=SECONDS | Modify the time by going back SECONDS seconds. |
| -c, --no-create | do not create any files. |
| -d, --date=STRING | parse STRING and use it instead of current time. |
| -m | change only the modification time. |
| --time=WORD | set time given by WORD: access atime use (same as -a) modify mtime (same as -m). |
| -t STAMP | use [[CC]YY]MMDDhhmm[.ss] instead of current time. |
-
touch test.phpOutput:In the above example, the command checks whether the file test.php already exists. If exists, it just modifies the date and time of the file.
Else, it creates a new file named 'test.php' with the current date and time.
