NOT DEFTERİ, BİLGİ PAYLAŞIMI TIRI VIRI…

Linux kung-fu

$ cut -d ':' -f 1,3 /etc/passwd | sort -t ':' -k2n - | tr ':' '\t'
root    0
daemon    1
bin    2
sys    3
sync    4
games    5
man    6
lp    7
mail    8
news    9
uucp    10
proxy    13

En büyük boyutlu dosyaları tesbit etmek

# du -sk /var/log/* | sort -r -n | head -10
1796    /var/log/audit
1200    /var/log/sa
612     /var/log/anaconda.log
512     /var/log/wtmp
456     /var/log/messages.4
92      /var/log/messages.2
76      /var/log/scrollkeeper.log
72      /var/log/secure
56      /var/log/cups
48      /var/log/messages.1

Dosyadaki tekil kelimeleri tesbit etmek

$ tr -c a-zA-Z '\n' < Readme1.txt  | sed '/^$/d' | sort | uniq -i -c
1 any
1 as
1 at
1 below
1 command
2 Copy
1 data
1 directory
2 file
1 Installtion
1 location
1 output
1 root
1 Run
2 steps
1 tar
1 temporary
4 the
1 to
2 unzip
1 user
1 using
$