Category: Command Line

I had a collection of ico files with the ext gif – these are the commands I used to fix…

Install a rpm package rpm -ivh package.rpm

Divide terminal into 5 columns ls /tmp | pr -T5 -W$COLUMNS

Copying a directory cp -a dir1 dir2

Some date finding commands.. date Mon Mar 10 23:52:08 IST 2008 cal March 2008 Su Mo Tu We Th Fr…

Create a boot floppy – if you still have a floppy drive? mkbootdisk –device /dev/fd0 `uname -r`

Remove two directories and their contents recursively rm -rf dir1 dir2

Remove a directory called ‘dir’ and contents recursively rm -rf dir

Create a compressed iso image of cdrom on disk mkisofs /dev/cdrom | gzip > cd_iso.gz

Convert from lower case to upper case echo ‘hello world’ | tr ‘[:lower:]’ ‘[:upper:]’