4.1 System Resources

4.1.1 df - summarize disk block and file usage

df is used to report the number of disk blocks and inodes used and free for each file system. The output format and valid options are very specific to the OS and program version in use.

Syntax

df [options] [resource]

Common Options

-l local file systems only (SVR4)

-k report in kilobytes (SVR4)

Examples

{unix prompt 1} df

Filesystem kbytes used avail capacity Mounted on

/dev/sd0a 20895 19224 0 102% /

/dev/sd0h 319055 131293 155857 46% /usr

/dev/sd1g 637726 348809 225145 61% /usr/local

/dev/sd1a 240111 165489 50611 77% /home/guardian

peri:/usr/local/backup

1952573 976558 780758 56% /usr/local/backup

peri:/home/peri 726884 391189 263007 60% /home/peri

peri:/usr/spool/mail 192383 1081 172064 1% /var/spool/mail

peri:/acs/peri/2 723934 521604 129937 80% /acs/peri/2

Introduction to Unix - 14 AUG 1996

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