3 hjfs \- file server maintenance
47 The following commands should be written to the console of an
52 disables permission checking and allows
54 This may help in initializing a file system.
55 Use this with caution.
61 creates a file on the current file system.
65 are names or numbers from
68 is the low 9 bits of the permission mode of the file, in octal.
74 creates a locked file, append-only file, or directory.
77 prints the number of free, used and total blocks/megabytes.
78 It scans the block table and can be slow on large hard disks.
81 restores permission checking back to normal after a file system
85 immediately starts a dump.
93 causes all executed commands to be printed on the system console.
95 reverses the effects of
105 With no options it adds user
111 and makes the directory
113 owned by user and group
119 Add a group: add the name to
121 but don't create the directory.
122 By convention, groups are numbered starting from 10000, users from 0.
137 is missing, remove the existing leader.
142 to the member list of
148 from the member list of
154 command the file server overwrites
156 to reflect the internal state of the user table.
159 reads the contents of file
161 to initialize the file server's internal representation of the
165 writes dirty blocks in memory to the magnetic disk cache.
167 Note: Debug commands operate on internal data
168 structures; they are inherently dangerous and can cause
172 changes the value of the byte at the specified
174 in the in-memory directory entry and prints
177 Dangerous if used carelessly.
182 argument. It prints the directory entry of
186 prints the physical blocks of
188 corresponding to the logical block
190 or the logical blocks between
195 Check disk usage (output appears on the system console).
198 % echo df >>/srv/hjfs.cmd
206 should perhaps be less crazy and have a portable interface.