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-rw-r--r--toys/other/blockdev.c5
-rw-r--r--toys/other/hwclock.c14
-rw-r--r--toys/other/pmap.c4
-rw-r--r--toys/other/shred.c14
4 files changed, 18 insertions, 19 deletions
diff --git a/toys/other/blockdev.c b/toys/other/blockdev.c
index c2e10a22..75f71ad3 100644
--- a/toys/other/blockdev.c
+++ b/toys/other/blockdev.c
@@ -14,18 +14,17 @@ config BLOCKDEV
Call ioctl(s) on each listed block device
- OPTIONs:
--setro Set read only
--setrw Set read write
--getro Get read only
--getss Get sector size
--getbsz Get block size
- --setbsz BYTES Set block size
+ --setbsz BYTES Set block size
--getsz Get device size in 512-byte sectors
--getsize Get device size in sectors (deprecated)
--getsize64 Get device size in bytes
--getra Get readahead in 512-byte sectors
- --setra <sectors> Set readahead
+ --setra SECTORS Set readahead
--flushbufs Flush buffers
--rereadpt Reread partition table
*/
diff --git a/toys/other/hwclock.c b/toys/other/hwclock.c
index 1d313e3b..81a29b77 100644
--- a/toys/other/hwclock.c
+++ b/toys/other/hwclock.c
@@ -12,13 +12,13 @@ config HWCLOCK
help
usage: hwclock [-rswtluf]
- -f FILE Use specified device file instead of /dev/rtc (--rtc)
- -l Hardware clock uses localtime (--localtime)
- -r Show hardware clock time (--show)
- -s Set system time from hardware clock (--hctosys)
- -t Set the system time based on the current timezone (--systz)
- -u Hardware clock uses UTC (--utc)
- -w Set hardware clock from system time (--systohc)
+ -f FILE Use specified device file instead of /dev/rtc (--rtc)
+ -l Hardware clock uses localtime (--localtime)
+ -r Show hardware clock time (--show)
+ -s Set system time from hardware clock (--hctosys)
+ -t Set the system time based on the current timezone (--systz)
+ -u Hardware clock uses UTC (--utc)
+ -w Set hardware clock from system time (--systohc)
*/
#define FOR_hwclock
diff --git a/toys/other/pmap.c b/toys/other/pmap.c
index abb0a337..9b29bacd 100644
--- a/toys/other/pmap.c
+++ b/toys/other/pmap.c
@@ -15,8 +15,8 @@ config PMAP
Reports the memory map of a process or processes.
- -x Show the extended format
- -q Do not display some header/footer lines
+ -x Show the extended format
+ -q Do not display some header/footer lines
*/
#define FOR_pmap
diff --git a/toys/other/shred.c b/toys/other/shred.c
index e10adc09..680320ec 100644
--- a/toys/other/shred.c
+++ b/toys/other/shred.c
@@ -14,13 +14,13 @@ config SHRED
Securely delete a file by overwriting its contents with random data.
- -f Force (chmod if necessary)
- -n COUNT Random overwrite iterations (default 1)
- -o OFFSET Start at OFFSET
- -s SIZE Use SIZE instead of detecting file size
- -u unlink (actually delete file when done)
- -x Use exact size (default without -s rounds up to next 4k)
- -z zero at end
+ -f Force (chmod if necessary)
+ -n COUNT Random overwrite iterations (default 1)
+ -o OFFSET Start at OFFSET
+ -s SIZE Use SIZE instead of detecting file size
+ -u Unlink (actually delete file when done)
+ -x Use exact size (default without -s rounds up to next 4k)
+ -z Zero at end
Note: data journaling filesystems render this command useless, you must
overwrite all free space (fill up disk) to erase old data on those.