August 30 Sixth session Linux text editing tools Vim's use job

1 , how to change the automatically indented characters from the default eight to four

: Set tabstop=4

2 , copy the/etc/grub2.cfg configuration file to the/tmp directory, and use the Find and replace command to delete the beginning blank character in the file

CENTOS6 Copy the/etc/grub.conf

:%[email protected]^[[:space:]]@@g

3 , copy the/etc/rc.d/init.d/functions file to the/tmp directory, use the Find and replace command as a line that begins with a blank character in the file, add a # to the beginning of the header, and the original whitespace character must be preserved

:%[email protected]\ (^[[:space:]]\) @\1#@g

:%[email protected]^[[:space:]]@&#@g

4 , replace/etc/sysconfig/init with/var/log in the/tmp/functions file with the Find replacement command

:%[email protected]/etc/sysconfig/[email Protected]/var/[email protected]

5 , use the Find replacement command to delete all lines beginning with # in the/tmp/funtions file, and # followed by at least one white space character at the beginning of the line #

%[email protected]^#\ ([[: Space:]]\) @\[email protected]

August 30 Sixth session Linux text editing tools Vim's use job