df
df
command examples
Displays the file system disk space
usage. By default df -k displays output in bytes.
$ df -k
Filesystem
1K-blocks &n…Read More
diff
diff command examples
Ignore white space while comparing.
# diff -w name_list.txt name_list_new.txt
2c2,3
< John Doe --- > John M Doe
> Jason Bourne
Normal
0
false…Read More
chown
chown command examples
chown command is used to change the owner and group of a file.
To change owner to oracle and group to db on a file. i.e Change both
owner and group at the same…Read More
chmod
chmod command examples
chmod command is used to change the permissions for a file or directory.
Give full access to user and group (i.e read, write and execute ) on a specific file.
$ chmod u…Read More
date
date
command examples
Set the system date:
$ date -s "01/31/2010 23:59:53"
Once you’ve changed the system date, you should syncronize
the hardware clock with the system date as shown below.
$ hwcloc…Read More
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