Linux File Commands Flashcards
1
Q
Compare files
A
diff file1 file2
2
Q
Force delete of
A
rm -rf
3
Q
Overite/delete file
A
shred -f -u
4
Q
Matches ref_file timestamp
A
touch -r
5
Q
Set file timestap
A
touch -t YYYMMDDHHSS
6
Q
List connected drives
A
sudo fdisk -l
7
Q
Mount USB key
A
mount /dev/sda# /mnt/usbkey
8
Q
Compute md5 hash
A
md5sum -t file
9
Q
Generate md5 hash
A
echo -n “str” | md5sum
10
Q
SHA1 hash of file
A
sha1sum file
11
Q
Sort/show unique lines
A
sort -u
12
Q
Count lines w/ “str”
A
grep -c “str” file
13
Q
Create .tar from file
A
tar cf file.tar files
14
Q
Extract .tar
A
tar xf file.tar
15
Q
Create .tar.gz
A
tar czf file.tar.gz files